/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_n4_w8_d16_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 14:02:17,126 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 14:02:17,198 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 14:02:17,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 14:02:17,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 14:02:17,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 14:02:17,225 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 14:02:17,225 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 14:02:17,226 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 14:02:17,229 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 14:02:17,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 14:02:17,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 14:02:17,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 14:02:17,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 14:02:17,230 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 14:02:17,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 14:02:17,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 14:02:17,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-25 14:02:17,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 14:02:17,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 14:02:17,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 14:02:17,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 14:02:17,232 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 14:02:17,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 14:02:17,232 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 14:02:17,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 14:02:17,233 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 14:02:17,233 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 14:02:17,233 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 14:02:17,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 14:02:17,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 14:02:17,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 14:02:17,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 14:02:17,234 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-25 14:02:17,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-25 14:02:17,234 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 14:02:17,235 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 14:02:17,235 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 14:02:17,235 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 14:02:17,235 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 14:02:17,235 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-25 14:02:17,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 14:02:17,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 14:02:17,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 14:02:17,418 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 14:02:17,419 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 14:02:17,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d16_e0.c [2023-12-25 14:02:18,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 14:02:18,716 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 14:02:18,717 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d16_e0.c [2023-12-25 14:02:18,730 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df7c114b9/47868d7d87da4f3db55c93632a6e293e/FLAG1acb9ffbe [2023-12-25 14:02:18,743 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df7c114b9/47868d7d87da4f3db55c93632a6e293e [2023-12-25 14:02:18,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 14:02:18,746 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 14:02:18,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 14:02:18,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 14:02:18,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 14:02:18,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 02:02:18" (1/1) ... [2023-12-25 14:02:18,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@165c5d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:02:18, skipping insertion in model container [2023-12-25 14:02:18,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 02:02:18" (1/1) ... [2023-12-25 14:02:18,800 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 14:02:18,913 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_n4_w8_d16_e0.c[1270,1283] [2023-12-25 14:02:19,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 14:02:19,301 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 14:02:19,313 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_n4_w8_d16_e0.c[1270,1283] [2023-12-25 14:02:19,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 14:02:19,495 INFO L206 MainTranslator]: Completed translation [2023-12-25 14:02:19,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:02:19 WrapperNode [2023-12-25 14:02:19,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 14:02:19,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 14:02:19,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 14:02:19,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 14:02:19,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:02:19" (1/1) ... [2023-12-25 14:02:19,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:02:19" (1/1) ... [2023-12-25 14:02:20,084 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7700 [2023-12-25 14:02:20,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 14:02:20,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 14:02:20,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 14:02:20,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 14:02:20,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:02:19" (1/1) ... [2023-12-25 14:02:20,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:02:19" (1/1) ... [2023-12-25 14:02:20,383 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:02:19" (1/1) ... [2023-12-25 14:02:20,534 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 14:02:20,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:02:19" (1/1) ... [2023-12-25 14:02:20,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:02:19" (1/1) ... [2023-12-25 14:02:20,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:02:19" (1/1) ... [2023-12-25 14:02:20,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:02:19" (1/1) ... [2023-12-25 14:02:20,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:02:19" (1/1) ... [2023-12-25 14:02:20,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:02:19" (1/1) ... [2023-12-25 14:02:21,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 14:02:21,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 14:02:21,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 14:02:21,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 14:02:21,014 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:02:19" (1/1) ... [2023-12-25 14:02:21,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 14:02:21,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 14:02:21,037 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 14:02:21,039 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 14:02:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 14:02:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-25 14:02:21,058 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-25 14:02:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-25 14:02:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 14:02:21,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 14:02:21,519 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 14:02:21,521 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 14:02:24,412 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 14:02:24,494 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 14:02:24,495 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-25 14:02:24,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 02:02:24 BoogieIcfgContainer [2023-12-25 14:02:24,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 14:02:24,497 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 14:02:24,497 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 14:02:24,499 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 14:02:24,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 02:02:18" (1/3) ... [2023-12-25 14:02:24,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37eb603d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 02:02:24, skipping insertion in model container [2023-12-25 14:02:24,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:02:19" (2/3) ... [2023-12-25 14:02:24,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37eb603d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 02:02:24, skipping insertion in model container [2023-12-25 14:02:24,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 02:02:24" (3/3) ... [2023-12-25 14:02:24,500 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n4_w8_d16_e0.c [2023-12-25 14:02:24,549 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 14:02:24,549 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 14:02:24,591 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 14:02:24,596 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;@2a6dcb4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 14:02:24,596 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 14:02:24,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 1451 states, 1435 states have (on average 1.6599303135888501) internal successors, (2382), 1436 states have internal predecessors, (2382), 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 14:02:24,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2023-12-25 14:02:24,623 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:24,624 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:24,625 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:24,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:24,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1675273939, now seen corresponding path program 1 times [2023-12-25 14:02:24,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:24,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439276975] [2023-12-25 14:02:24,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:24,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:27,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:27,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:27,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:27,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:27,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:27,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 14:02:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:27,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 14:02:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:27,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 14:02:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:27,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:02:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:27,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 14:02:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:27,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 14:02:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:27,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 14:02:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:27,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 14:02:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:27,224 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:27,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:27,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439276975] [2023-12-25 14:02:27,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439276975] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:27,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:27,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:02:27,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278567614] [2023-12-25 14:02:27,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:27,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:02:27,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:27,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:02:27,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:02:27,263 INFO L87 Difference]: Start difference. First operand has 1451 states, 1435 states have (on average 1.6599303135888501) internal successors, (2382), 1436 states have internal predecessors, (2382), 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) Second operand has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:27,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:27,391 INFO L93 Difference]: Finished difference Result 2646 states and 4405 transitions. [2023-12-25 14:02:27,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:27,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 574 [2023-12-25 14:02:27,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:27,414 INFO L225 Difference]: With dead ends: 2646 [2023-12-25 14:02:27,414 INFO L226 Difference]: Without dead ends: 1451 [2023-12-25 14:02:27,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 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 14:02:27,423 INFO L413 NwaCegarLoop]: 2400 mSDtfsCounter, 1 mSDsluCounter, 4795 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7195 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 14:02:27,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7195 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 14:02:27,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2023-12-25 14:02:27,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1451. [2023-12-25 14:02:27,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1436 states have (on average 1.6566852367688023) internal successors, (2379), 1436 states have internal predecessors, (2379), 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 14:02:27,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2405 transitions. [2023-12-25 14:02:27,506 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2405 transitions. Word has length 574 [2023-12-25 14:02:27,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:27,509 INFO L495 AbstractCegarLoop]: Abstraction has 1451 states and 2405 transitions. [2023-12-25 14:02:27,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:27,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2405 transitions. [2023-12-25 14:02:27,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2023-12-25 14:02:27,519 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:27,519 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:27,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-25 14:02:27,520 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:27,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:27,521 INFO L85 PathProgramCache]: Analyzing trace with hash -392156631, now seen corresponding path program 1 times [2023-12-25 14:02:27,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:27,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179672230] [2023-12-25 14:02:27,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:27,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:28,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:28,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:28,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:28,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:28,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:28,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 14:02:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:28,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 14:02:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:28,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 14:02:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:28,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:02:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:28,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 14:02:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:28,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 14:02:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:28,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 14:02:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:28,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 14:02:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:28,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:28,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179672230] [2023-12-25 14:02:28,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179672230] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:28,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:28,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:28,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228907184] [2023-12-25 14:02:28,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:28,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:28,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:28,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:28,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:28,762 INFO L87 Difference]: Start difference. First operand 1451 states and 2405 transitions. Second operand has 5 states, 5 states have (on average 102.6) internal successors, (513), 5 states have internal predecessors, (513), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 14:02:29,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:29,771 INFO L93 Difference]: Finished difference Result 3695 states and 6080 transitions. [2023-12-25 14:02:29,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 14:02:29,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 102.6) internal successors, (513), 5 states have internal predecessors, (513), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 575 [2023-12-25 14:02:29,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:29,778 INFO L225 Difference]: With dead ends: 3695 [2023-12-25 14:02:29,778 INFO L226 Difference]: Without dead ends: 1451 [2023-12-25 14:02:29,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 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 14:02:29,783 INFO L413 NwaCegarLoop]: 3693 mSDtfsCounter, 3479 mSDsluCounter, 5539 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3487 SdHoareTripleChecker+Valid, 9232 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:29,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3487 Valid, 9232 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 14:02:29,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2023-12-25 14:02:29,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1451. [2023-12-25 14:02:29,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1436 states have (on average 1.6559888579387188) internal successors, (2378), 1436 states have internal predecessors, (2378), 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 14:02:29,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2404 transitions. [2023-12-25 14:02:29,810 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2404 transitions. Word has length 575 [2023-12-25 14:02:29,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:29,810 INFO L495 AbstractCegarLoop]: Abstraction has 1451 states and 2404 transitions. [2023-12-25 14:02:29,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 102.6) internal successors, (513), 5 states have internal predecessors, (513), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 14:02:29,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2404 transitions. [2023-12-25 14:02:29,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 577 [2023-12-25 14:02:29,817 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:29,817 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:29,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-25 14:02:29,818 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:29,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:29,818 INFO L85 PathProgramCache]: Analyzing trace with hash -163062555, now seen corresponding path program 1 times [2023-12-25 14:02:29,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:29,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722703680] [2023-12-25 14:02:29,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:29,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:30,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:30,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:30,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:30,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:30,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:30,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:30,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:30,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:30,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:30,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:30,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:30,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:30,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:30,751 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:30,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:30,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722703680] [2023-12-25 14:02:30,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722703680] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:30,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:30,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:30,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042070817] [2023-12-25 14:02:30,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:30,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:30,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:30,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:30,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:30,756 INFO L87 Difference]: Start difference. First operand 1451 states and 2404 transitions. Second operand has 5 states, 5 states have (on average 102.8) internal successors, (514), 5 states have internal predecessors, (514), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 14:02:31,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:31,588 INFO L93 Difference]: Finished difference Result 2646 states and 4382 transitions. [2023-12-25 14:02:31,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:31,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 102.8) internal successors, (514), 5 states have internal predecessors, (514), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 576 [2023-12-25 14:02:31,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:31,594 INFO L225 Difference]: With dead ends: 2646 [2023-12-25 14:02:31,594 INFO L226 Difference]: Without dead ends: 1451 [2023-12-25 14:02:31,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:31,597 INFO L413 NwaCegarLoop]: 1813 mSDtfsCounter, 4349 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4354 SdHoareTripleChecker+Valid, 3628 SdHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:31,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4354 Valid, 3628 Invalid, 1187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1186 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 14:02:31,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2023-12-25 14:02:31,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1451. [2023-12-25 14:02:31,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1436 states have (on average 1.6552924791086352) internal successors, (2377), 1436 states have internal predecessors, (2377), 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 14:02:31,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2403 transitions. [2023-12-25 14:02:31,620 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2403 transitions. Word has length 576 [2023-12-25 14:02:31,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:31,620 INFO L495 AbstractCegarLoop]: Abstraction has 1451 states and 2403 transitions. [2023-12-25 14:02:31,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 102.8) internal successors, (514), 5 states have internal predecessors, (514), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 14:02:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2403 transitions. [2023-12-25 14:02:31,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2023-12-25 14:02:31,627 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:31,628 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:31,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-25 14:02:31,628 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:31,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:31,629 INFO L85 PathProgramCache]: Analyzing trace with hash -952980661, now seen corresponding path program 1 times [2023-12-25 14:02:31,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:31,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906457005] [2023-12-25 14:02:31,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:31,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,538 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:32,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:32,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906457005] [2023-12-25 14:02:32,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906457005] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:32,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:32,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:32,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516450707] [2023-12-25 14:02:32,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:32,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:32,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:32,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:32,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:32,545 INFO L87 Difference]: Start difference. First operand 1451 states and 2403 transitions. Second operand has 5 states, 5 states have (on average 103.0) internal successors, (515), 5 states have internal predecessors, (515), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 14:02:33,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:33,376 INFO L93 Difference]: Finished difference Result 2646 states and 4380 transitions. [2023-12-25 14:02:33,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:33,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 103.0) internal successors, (515), 5 states have internal predecessors, (515), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 577 [2023-12-25 14:02:33,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:33,382 INFO L225 Difference]: With dead ends: 2646 [2023-12-25 14:02:33,383 INFO L226 Difference]: Without dead ends: 1451 [2023-12-25 14:02:33,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:33,391 INFO L413 NwaCegarLoop]: 1813 mSDtfsCounter, 4253 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4258 SdHoareTripleChecker+Valid, 3628 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:33,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4258 Valid, 3628 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1184 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 14:02:33,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2023-12-25 14:02:33,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1451. [2023-12-25 14:02:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1436 states have (on average 1.6545961002785516) internal successors, (2376), 1436 states have internal predecessors, (2376), 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 14:02:33,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2402 transitions. [2023-12-25 14:02:33,416 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2402 transitions. Word has length 577 [2023-12-25 14:02:33,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:33,417 INFO L495 AbstractCegarLoop]: Abstraction has 1451 states and 2402 transitions. [2023-12-25 14:02:33,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 103.0) internal successors, (515), 5 states have internal predecessors, (515), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 14:02:33,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2402 transitions. [2023-12-25 14:02:33,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2023-12-25 14:02:33,422 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:33,422 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:33,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-25 14:02:33,422 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:33,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:33,423 INFO L85 PathProgramCache]: Analyzing trace with hash -745263409, now seen corresponding path program 1 times [2023-12-25 14:02:33,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:33,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633052924] [2023-12-25 14:02:33,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:33,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:34,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:34,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:34,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:34,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:34,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:34,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:34,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:34,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:34,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:34,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:34,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:34,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:34,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:34,437 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:34,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:34,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633052924] [2023-12-25 14:02:34,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633052924] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:34,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:34,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:34,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74602459] [2023-12-25 14:02:34,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:34,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:34,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:34,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:34,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:34,441 INFO L87 Difference]: Start difference. First operand 1451 states and 2402 transitions. Second operand has 5 states, 5 states have (on average 103.2) internal successors, (516), 5 states have internal predecessors, (516), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 14:02:35,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:35,262 INFO L93 Difference]: Finished difference Result 2646 states and 4378 transitions. [2023-12-25 14:02:35,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:35,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 103.2) internal successors, (516), 5 states have internal predecessors, (516), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 578 [2023-12-25 14:02:35,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:35,268 INFO L225 Difference]: With dead ends: 2646 [2023-12-25 14:02:35,269 INFO L226 Difference]: Without dead ends: 1451 [2023-12-25 14:02:35,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:35,270 INFO L413 NwaCegarLoop]: 1813 mSDtfsCounter, 2192 mSDsluCounter, 1831 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2197 SdHoareTripleChecker+Valid, 3644 SdHoareTripleChecker+Invalid, 1183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:35,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2197 Valid, 3644 Invalid, 1183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 14:02:35,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2023-12-25 14:02:35,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1451. [2023-12-25 14:02:35,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1436 states have (on average 1.6538997214484679) internal successors, (2375), 1436 states have internal predecessors, (2375), 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 14:02:35,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2401 transitions. [2023-12-25 14:02:35,291 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2401 transitions. Word has length 578 [2023-12-25 14:02:35,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:35,291 INFO L495 AbstractCegarLoop]: Abstraction has 1451 states and 2401 transitions. [2023-12-25 14:02:35,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 103.2) internal successors, (516), 5 states have internal predecessors, (516), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 14:02:35,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2401 transitions. [2023-12-25 14:02:35,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2023-12-25 14:02:35,296 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:35,296 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:35,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-25 14:02:35,296 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:35,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:35,297 INFO L85 PathProgramCache]: Analyzing trace with hash 2019342965, now seen corresponding path program 1 times [2023-12-25 14:02:35,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:35,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532437392] [2023-12-25 14:02:35,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:35,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:36,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:36,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:36,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:36,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:36,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:36,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:36,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:36,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:36,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:36,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:36,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:36,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:36,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:36,150 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:36,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:36,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532437392] [2023-12-25 14:02:36,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532437392] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:36,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:36,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:36,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627190181] [2023-12-25 14:02:36,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:36,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:36,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:36,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:36,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:36,152 INFO L87 Difference]: Start difference. First operand 1451 states and 2401 transitions. Second operand has 5 states, 5 states have (on average 103.4) internal successors, (517), 5 states have internal predecessors, (517), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 14:02:36,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:36,890 INFO L93 Difference]: Finished difference Result 2646 states and 4376 transitions. [2023-12-25 14:02:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:36,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 103.4) internal successors, (517), 5 states have internal predecessors, (517), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 579 [2023-12-25 14:02:36,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:36,895 INFO L225 Difference]: With dead ends: 2646 [2023-12-25 14:02:36,896 INFO L226 Difference]: Without dead ends: 1451 [2023-12-25 14:02:36,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:36,900 INFO L413 NwaCegarLoop]: 1813 mSDtfsCounter, 2144 mSDsluCounter, 1831 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2149 SdHoareTripleChecker+Valid, 3644 SdHoareTripleChecker+Invalid, 1181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:36,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2149 Valid, 3644 Invalid, 1181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 14:02:36,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2023-12-25 14:02:36,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1451. [2023-12-25 14:02:36,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1436 states have (on average 1.6532033426183843) internal successors, (2374), 1436 states have internal predecessors, (2374), 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 14:02:36,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2400 transitions. [2023-12-25 14:02:36,922 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2400 transitions. Word has length 579 [2023-12-25 14:02:36,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:36,922 INFO L495 AbstractCegarLoop]: Abstraction has 1451 states and 2400 transitions. [2023-12-25 14:02:36,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 103.4) internal successors, (517), 5 states have internal predecessors, (517), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 14:02:36,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2400 transitions. [2023-12-25 14:02:36,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2023-12-25 14:02:36,926 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:36,926 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:36,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-25 14:02:36,926 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:36,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:36,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1775305799, now seen corresponding path program 1 times [2023-12-25 14:02:36,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:36,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991547622] [2023-12-25 14:02:36,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:36,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:37,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:37,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:37,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:37,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:37,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:37,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:37,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:37,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:37,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:37,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:37,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:37,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:37,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:37,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:37,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991547622] [2023-12-25 14:02:37,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991547622] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:37,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:37,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:02:37,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354047686] [2023-12-25 14:02:37,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:37,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:02:37,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:37,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:02:37,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:02:37,739 INFO L87 Difference]: Start difference. First operand 1451 states and 2400 transitions. Second operand has 4 states, 4 states have (on average 129.5) internal successors, (518), 4 states have internal predecessors, (518), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:37,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:37,777 INFO L93 Difference]: Finished difference Result 2649 states and 4378 transitions. [2023-12-25 14:02:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:37,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 129.5) internal successors, (518), 4 states have internal predecessors, (518), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 580 [2023-12-25 14:02:37,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:37,781 INFO L225 Difference]: With dead ends: 2649 [2023-12-25 14:02:37,781 INFO L226 Difference]: Without dead ends: 1454 [2023-12-25 14:02:37,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 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 14:02:37,783 INFO L413 NwaCegarLoop]: 2395 mSDtfsCounter, 1 mSDsluCounter, 4783 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7178 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 14:02:37,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7178 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 14:02:37,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1454 states. [2023-12-25 14:02:37,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1454 to 1453. [2023-12-25 14:02:37,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6522948539638387) internal successors, (2376), 1438 states have internal predecessors, (2376), 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 14:02:37,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2402 transitions. [2023-12-25 14:02:37,812 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2402 transitions. Word has length 580 [2023-12-25 14:02:37,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:37,812 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2402 transitions. [2023-12-25 14:02:37,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.5) internal successors, (518), 4 states have internal predecessors, (518), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:37,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2402 transitions. [2023-12-25 14:02:37,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2023-12-25 14:02:37,817 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:37,817 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:37,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-25 14:02:37,817 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:37,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:37,817 INFO L85 PathProgramCache]: Analyzing trace with hash 589665591, now seen corresponding path program 1 times [2023-12-25 14:02:37,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:37,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784606399] [2023-12-25 14:02:37,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:37,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:38,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:38,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:38,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:38,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:38,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:38,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:38,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:38,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:38,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:38,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:38,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:38,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:38,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:38,843 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:38,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:38,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784606399] [2023-12-25 14:02:38,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784606399] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:38,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:38,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:02:38,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42322315] [2023-12-25 14:02:38,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:38,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:02:38,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:38,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:02:38,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:02:38,845 INFO L87 Difference]: Start difference. First operand 1453 states and 2402 transitions. Second operand has 4 states, 4 states have (on average 129.75) internal successors, (519), 4 states have internal predecessors, (519), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:39,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:39,077 INFO L93 Difference]: Finished difference Result 2650 states and 4378 transitions. [2023-12-25 14:02:39,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:39,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 129.75) internal successors, (519), 4 states have internal predecessors, (519), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 581 [2023-12-25 14:02:39,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:39,082 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:39,082 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:39,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 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 14:02:39,084 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 1908 mSDsluCounter, 2247 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1908 SdHoareTripleChecker+Valid, 4492 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:39,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1908 Valid, 4492 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:39,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:39,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:39,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6515994436717663) internal successors, (2375), 1438 states have internal predecessors, (2375), 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 14:02:39,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2401 transitions. [2023-12-25 14:02:39,102 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2401 transitions. Word has length 581 [2023-12-25 14:02:39,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:39,103 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2401 transitions. [2023-12-25 14:02:39,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.75) internal successors, (519), 4 states have internal predecessors, (519), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:39,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2401 transitions. [2023-12-25 14:02:39,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2023-12-25 14:02:39,106 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:39,106 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:39,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-25 14:02:39,107 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:39,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:39,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1791263427, now seen corresponding path program 1 times [2023-12-25 14:02:39,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:39,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870338507] [2023-12-25 14:02:39,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:39,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,911 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:39,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:39,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870338507] [2023-12-25 14:02:39,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870338507] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:39,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:39,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:39,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347113338] [2023-12-25 14:02:39,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:39,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:39,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:39,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:39,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:39,913 INFO L87 Difference]: Start difference. First operand 1453 states and 2401 transitions. Second operand has 5 states, 5 states have (on average 104.0) internal successors, (520), 5 states have internal predecessors, (520), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:40,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:40,136 INFO L93 Difference]: Finished difference Result 2846 states and 4693 transitions. [2023-12-25 14:02:40,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 14:02:40,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 104.0) internal successors, (520), 5 states have internal predecessors, (520), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 582 [2023-12-25 14:02:40,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:40,141 INFO L225 Difference]: With dead ends: 2846 [2023-12-25 14:02:40,141 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:40,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 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 14:02:40,143 INFO L413 NwaCegarLoop]: 2368 mSDtfsCounter, 2510 mSDsluCounter, 4628 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2510 SdHoareTripleChecker+Valid, 6996 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:40,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2510 Valid, 6996 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:40,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:40,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:40,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.650904033379694) internal successors, (2374), 1438 states have internal predecessors, (2374), 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 14:02:40,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2400 transitions. [2023-12-25 14:02:40,161 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2400 transitions. Word has length 582 [2023-12-25 14:02:40,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:40,161 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2400 transitions. [2023-12-25 14:02:40,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 104.0) internal successors, (520), 5 states have internal predecessors, (520), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:40,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2400 transitions. [2023-12-25 14:02:40,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2023-12-25 14:02:40,165 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:40,165 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:40,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-25 14:02:40,165 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:40,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:40,166 INFO L85 PathProgramCache]: Analyzing trace with hash -95160783, now seen corresponding path program 1 times [2023-12-25 14:02:40,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:40,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502203497] [2023-12-25 14:02:40,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:40,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:40,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:40,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:40,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:40,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:40,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:40,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:40,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:40,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:40,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:40,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:40,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:40,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:40,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:40,788 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:40,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:40,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502203497] [2023-12-25 14:02:40,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502203497] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:40,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:40,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:40,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735115068] [2023-12-25 14:02:40,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:40,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:40,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:40,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:40,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:40,790 INFO L87 Difference]: Start difference. First operand 1453 states and 2400 transitions. Second operand has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:41,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:41,030 INFO L93 Difference]: Finished difference Result 2650 states and 4374 transitions. [2023-12-25 14:02:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:41,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 583 [2023-12-25 14:02:41,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:41,034 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:41,034 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:41,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:41,036 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 4411 mSDsluCounter, 2247 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4424 SdHoareTripleChecker+Valid, 4492 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:41,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4424 Valid, 4492 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:41,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:41,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:41,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6502086230876216) internal successors, (2373), 1438 states have internal predecessors, (2373), 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 14:02:41,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2399 transitions. [2023-12-25 14:02:41,055 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2399 transitions. Word has length 583 [2023-12-25 14:02:41,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:41,055 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2399 transitions. [2023-12-25 14:02:41,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:41,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2399 transitions. [2023-12-25 14:02:41,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2023-12-25 14:02:41,058 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:41,059 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:41,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-25 14:02:41,059 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:41,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:41,059 INFO L85 PathProgramCache]: Analyzing trace with hash 383963927, now seen corresponding path program 1 times [2023-12-25 14:02:41,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:41,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415352673] [2023-12-25 14:02:41,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:41,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:41,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:41,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:41,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:41,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:41,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:41,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:41,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:41,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:41,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:41,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:41,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:41,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:41,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:41,679 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:41,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:41,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415352673] [2023-12-25 14:02:41,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415352673] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:41,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:41,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:41,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51882122] [2023-12-25 14:02:41,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:41,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:41,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:41,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:41,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:41,681 INFO L87 Difference]: Start difference. First operand 1453 states and 2399 transitions. Second operand has 5 states, 5 states have (on average 104.4) internal successors, (522), 5 states have internal predecessors, (522), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:41,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:41,942 INFO L93 Difference]: Finished difference Result 2650 states and 4372 transitions. [2023-12-25 14:02:41,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:41,943 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 104.4) internal successors, (522), 5 states have internal predecessors, (522), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 584 [2023-12-25 14:02:41,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:41,947 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:41,947 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:41,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:41,949 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 2362 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2375 SdHoareTripleChecker+Valid, 4508 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:41,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2375 Valid, 4508 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:41,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:41,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:41,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6495132127955494) internal successors, (2372), 1438 states have internal predecessors, (2372), 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 14:02:41,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2398 transitions. [2023-12-25 14:02:41,968 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2398 transitions. Word has length 584 [2023-12-25 14:02:41,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:41,968 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2398 transitions. [2023-12-25 14:02:41,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 104.4) internal successors, (522), 5 states have internal predecessors, (522), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:41,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2398 transitions. [2023-12-25 14:02:41,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2023-12-25 14:02:41,972 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:41,972 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:41,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-25 14:02:41,972 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:41,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:41,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1505634101, now seen corresponding path program 1 times [2023-12-25 14:02:41,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:41,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049286084] [2023-12-25 14:02:41,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:41,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:42,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:42,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:42,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:42,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:42,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:42,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:42,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:42,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:42,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:42,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:42,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:42,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:42,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:42,597 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:42,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:42,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049286084] [2023-12-25 14:02:42,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049286084] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:42,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:42,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:42,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968758632] [2023-12-25 14:02:42,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:42,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:42,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:42,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:42,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:42,599 INFO L87 Difference]: Start difference. First operand 1453 states and 2398 transitions. Second operand has 5 states, 5 states have (on average 104.6) internal successors, (523), 5 states have internal predecessors, (523), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:42,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:42,843 INFO L93 Difference]: Finished difference Result 2650 states and 4370 transitions. [2023-12-25 14:02:42,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:42,845 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 104.6) internal successors, (523), 5 states have internal predecessors, (523), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 585 [2023-12-25 14:02:42,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:42,850 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:42,850 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:42,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:42,851 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 2358 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2371 SdHoareTripleChecker+Valid, 4508 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:42,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2371 Valid, 4508 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:42,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:42,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:42,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.648817802503477) internal successors, (2371), 1438 states have internal predecessors, (2371), 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 14:02:42,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2397 transitions. [2023-12-25 14:02:42,887 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2397 transitions. Word has length 585 [2023-12-25 14:02:42,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:42,888 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2397 transitions. [2023-12-25 14:02:42,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 104.6) internal successors, (523), 5 states have internal predecessors, (523), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:42,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2397 transitions. [2023-12-25 14:02:42,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2023-12-25 14:02:42,893 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:42,893 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:42,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-25 14:02:42,893 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:42,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:42,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1803452943, now seen corresponding path program 1 times [2023-12-25 14:02:42,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:42,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719679384] [2023-12-25 14:02:42,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:42,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:43,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:43,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:43,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:43,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:43,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:43,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:43,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:43,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:43,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:43,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:43,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:43,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:43,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:43,521 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:43,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:43,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719679384] [2023-12-25 14:02:43,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719679384] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:43,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:43,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:43,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455343476] [2023-12-25 14:02:43,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:43,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:43,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:43,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:43,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:43,523 INFO L87 Difference]: Start difference. First operand 1453 states and 2397 transitions. Second operand has 5 states, 5 states have (on average 104.8) internal successors, (524), 5 states have internal predecessors, (524), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:43,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:43,755 INFO L93 Difference]: Finished difference Result 2650 states and 4368 transitions. [2023-12-25 14:02:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:43,756 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 104.8) internal successors, (524), 5 states have internal predecessors, (524), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 586 [2023-12-25 14:02:43,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:43,760 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:43,760 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:43,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:43,761 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 4309 mSDsluCounter, 2247 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4322 SdHoareTripleChecker+Valid, 4492 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:43,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4322 Valid, 4492 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:43,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:43,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:43,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6481223922114048) internal successors, (2370), 1438 states have internal predecessors, (2370), 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 14:02:43,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2396 transitions. [2023-12-25 14:02:43,778 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2396 transitions. Word has length 586 [2023-12-25 14:02:43,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:43,778 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2396 transitions. [2023-12-25 14:02:43,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 104.8) internal successors, (524), 5 states have internal predecessors, (524), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:43,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2396 transitions. [2023-12-25 14:02:43,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2023-12-25 14:02:43,782 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:43,782 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:43,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-25 14:02:43,782 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:43,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:43,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1583472823, now seen corresponding path program 1 times [2023-12-25 14:02:43,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:43,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168142581] [2023-12-25 14:02:43,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:43,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:44,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:44,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:44,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:44,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:44,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:44,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:44,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:44,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:44,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:44,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:44,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:44,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:44,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:44,415 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:44,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:44,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168142581] [2023-12-25 14:02:44,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168142581] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:44,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:44,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:44,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563864427] [2023-12-25 14:02:44,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:44,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:44,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:44,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:44,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:44,417 INFO L87 Difference]: Start difference. First operand 1453 states and 2396 transitions. Second operand has 5 states, 5 states have (on average 105.0) internal successors, (525), 5 states have internal predecessors, (525), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:44,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:44,669 INFO L93 Difference]: Finished difference Result 2650 states and 4366 transitions. [2023-12-25 14:02:44,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:44,670 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 105.0) internal successors, (525), 5 states have internal predecessors, (525), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 587 [2023-12-25 14:02:44,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:44,674 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:44,674 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:44,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:44,676 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 4301 mSDsluCounter, 2247 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4314 SdHoareTripleChecker+Valid, 4492 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:44,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4314 Valid, 4492 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:44,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:44,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:44,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6474269819193323) internal successors, (2369), 1438 states have internal predecessors, (2369), 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 14:02:44,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2395 transitions. [2023-12-25 14:02:44,695 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2395 transitions. Word has length 587 [2023-12-25 14:02:44,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:44,695 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2395 transitions. [2023-12-25 14:02:44,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 105.0) internal successors, (525), 5 states have internal predecessors, (525), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:44,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2395 transitions. [2023-12-25 14:02:44,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2023-12-25 14:02:44,699 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:44,699 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:44,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-25 14:02:44,699 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:44,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:44,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1007038103, now seen corresponding path program 1 times [2023-12-25 14:02:44,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:44,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077833481] [2023-12-25 14:02:44,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:44,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:45,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:45,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:45,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:45,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:45,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:45,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:45,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:45,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:45,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:45,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:45,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:45,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:45,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:45,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:45,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077833481] [2023-12-25 14:02:45,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077833481] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:45,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:45,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:45,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443389584] [2023-12-25 14:02:45,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:45,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:45,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:45,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:45,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:45,363 INFO L87 Difference]: Start difference. First operand 1453 states and 2395 transitions. Second operand has 5 states, 5 states have (on average 105.2) internal successors, (526), 5 states have internal predecessors, (526), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:45,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:45,665 INFO L93 Difference]: Finished difference Result 2650 states and 4364 transitions. [2023-12-25 14:02:45,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:45,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 105.2) internal successors, (526), 5 states have internal predecessors, (526), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 588 [2023-12-25 14:02:45,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:45,669 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:45,670 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:45,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:45,671 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 4293 mSDsluCounter, 2247 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4306 SdHoareTripleChecker+Valid, 4492 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:45,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4306 Valid, 4492 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:45,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:45,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:45,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6467315716272601) internal successors, (2368), 1438 states have internal predecessors, (2368), 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 14:02:45,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2394 transitions. [2023-12-25 14:02:45,690 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2394 transitions. Word has length 588 [2023-12-25 14:02:45,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:45,691 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2394 transitions. [2023-12-25 14:02:45,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 105.2) internal successors, (526), 5 states have internal predecessors, (526), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:45,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2394 transitions. [2023-12-25 14:02:45,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2023-12-25 14:02:45,694 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:45,694 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:45,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-25 14:02:45,695 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:45,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:45,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1883551261, now seen corresponding path program 1 times [2023-12-25 14:02:45,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:45,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385305151] [2023-12-25 14:02:45,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:45,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,395 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:46,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:46,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385305151] [2023-12-25 14:02:46,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385305151] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:46,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:46,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:46,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740502413] [2023-12-25 14:02:46,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:46,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:46,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:46,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:46,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:46,399 INFO L87 Difference]: Start difference. First operand 1453 states and 2394 transitions. Second operand has 5 states, 5 states have (on average 105.4) internal successors, (527), 5 states have internal predecessors, (527), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:46,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:46,658 INFO L93 Difference]: Finished difference Result 2650 states and 4362 transitions. [2023-12-25 14:02:46,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:46,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 105.4) internal successors, (527), 5 states have internal predecessors, (527), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 589 [2023-12-25 14:02:46,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:46,663 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:46,663 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:46,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:46,664 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 2303 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2316 SdHoareTripleChecker+Valid, 4508 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:46,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2316 Valid, 4508 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:46,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:46,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:46,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6460361613351877) internal successors, (2367), 1438 states have internal predecessors, (2367), 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 14:02:46,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2393 transitions. [2023-12-25 14:02:46,706 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2393 transitions. Word has length 589 [2023-12-25 14:02:46,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:46,707 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2393 transitions. [2023-12-25 14:02:46,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 105.4) internal successors, (527), 5 states have internal predecessors, (527), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:46,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2393 transitions. [2023-12-25 14:02:46,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2023-12-25 14:02:46,710 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:46,710 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:46,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-25 14:02:46,710 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:46,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:46,711 INFO L85 PathProgramCache]: Analyzing trace with hash 257120829, now seen corresponding path program 1 times [2023-12-25 14:02:46,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:46,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603757205] [2023-12-25 14:02:46,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:46,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:47,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:47,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:47,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:47,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:47,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:47,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:47,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:47,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:47,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:47,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:47,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:47,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:47,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:47,342 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:47,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:47,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603757205] [2023-12-25 14:02:47,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603757205] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:47,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:47,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:47,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628079338] [2023-12-25 14:02:47,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:47,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:47,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:47,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:47,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:47,343 INFO L87 Difference]: Start difference. First operand 1453 states and 2393 transitions. Second operand has 5 states, 5 states have (on average 105.6) internal successors, (528), 5 states have internal predecessors, (528), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:47,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:47,569 INFO L93 Difference]: Finished difference Result 2650 states and 4360 transitions. [2023-12-25 14:02:47,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:47,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 105.6) internal successors, (528), 5 states have internal predecessors, (528), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 590 [2023-12-25 14:02:47,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:47,573 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:47,573 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:47,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:47,574 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 2260 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2273 SdHoareTripleChecker+Valid, 4508 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:47,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2273 Valid, 4508 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:47,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:47,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:47,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6453407510431155) internal successors, (2366), 1438 states have internal predecessors, (2366), 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 14:02:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2392 transitions. [2023-12-25 14:02:47,591 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2392 transitions. Word has length 590 [2023-12-25 14:02:47,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:47,591 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2392 transitions. [2023-12-25 14:02:47,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 105.6) internal successors, (528), 5 states have internal predecessors, (528), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:47,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2392 transitions. [2023-12-25 14:02:47,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2023-12-25 14:02:47,595 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:47,595 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:47,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-25 14:02:47,595 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:47,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:47,595 INFO L85 PathProgramCache]: Analyzing trace with hash 2127541361, now seen corresponding path program 1 times [2023-12-25 14:02:47,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:47,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947576725] [2023-12-25 14:02:47,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:47,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:48,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:48,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:48,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:48,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:48,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:48,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:48,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:48,222 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:48,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:48,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947576725] [2023-12-25 14:02:48,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947576725] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:48,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:48,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:48,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906055646] [2023-12-25 14:02:48,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:48,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:48,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:48,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:48,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:48,224 INFO L87 Difference]: Start difference. First operand 1453 states and 2392 transitions. Second operand has 5 states, 5 states have (on average 105.8) internal successors, (529), 5 states have internal predecessors, (529), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:48,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:48,448 INFO L93 Difference]: Finished difference Result 2650 states and 4358 transitions. [2023-12-25 14:02:48,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:48,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 105.8) internal successors, (529), 5 states have internal predecessors, (529), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 591 [2023-12-25 14:02:48,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:48,452 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:48,452 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:48,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:48,453 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 2256 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2269 SdHoareTripleChecker+Valid, 4508 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:48,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2269 Valid, 4508 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:48,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:48,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:48,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.644645340751043) internal successors, (2365), 1438 states have internal predecessors, (2365), 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 14:02:48,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2391 transitions. [2023-12-25 14:02:48,470 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2391 transitions. Word has length 591 [2023-12-25 14:02:48,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:48,473 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2391 transitions. [2023-12-25 14:02:48,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 105.8) internal successors, (529), 5 states have internal predecessors, (529), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:48,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2391 transitions. [2023-12-25 14:02:48,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2023-12-25 14:02:48,476 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:48,477 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:48,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-25 14:02:48,477 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:48,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:48,477 INFO L85 PathProgramCache]: Analyzing trace with hash -666623593, now seen corresponding path program 1 times [2023-12-25 14:02:48,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:48,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306958807] [2023-12-25 14:02:48,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:48,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:49,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:49,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:49,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:49,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:49,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:49,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:49,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:49,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:49,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:49,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:49,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:49,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:49,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:49,189 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:49,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:49,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306958807] [2023-12-25 14:02:49,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306958807] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:49,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:49,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:49,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048906343] [2023-12-25 14:02:49,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:49,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:49,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:49,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:49,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:49,191 INFO L87 Difference]: Start difference. First operand 1453 states and 2391 transitions. Second operand has 5 states, 5 states have (on average 106.0) internal successors, (530), 5 states have internal predecessors, (530), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:49,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:49,463 INFO L93 Difference]: Finished difference Result 2650 states and 4356 transitions. [2023-12-25 14:02:49,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:49,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 106.0) internal successors, (530), 5 states have internal predecessors, (530), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 592 [2023-12-25 14:02:49,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:49,471 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:49,471 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:49,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:49,474 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 2252 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2265 SdHoareTripleChecker+Valid, 4508 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:49,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2265 Valid, 4508 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:49,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:49,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6439499304589709) internal successors, (2364), 1438 states have internal predecessors, (2364), 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 14:02:49,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2390 transitions. [2023-12-25 14:02:49,494 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2390 transitions. Word has length 592 [2023-12-25 14:02:49,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:49,494 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2390 transitions. [2023-12-25 14:02:49,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 106.0) internal successors, (530), 5 states have internal predecessors, (530), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:49,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2390 transitions. [2023-12-25 14:02:49,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 594 [2023-12-25 14:02:49,499 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:49,500 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:49,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-25 14:02:49,500 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:49,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:49,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1610528629, now seen corresponding path program 1 times [2023-12-25 14:02:49,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:49,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102886594] [2023-12-25 14:02:49,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:49,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:50,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:50,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:50,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:50,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:50,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:50,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:50,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:50,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:50,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:50,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:50,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:50,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:50,195 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:50,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:50,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102886594] [2023-12-25 14:02:50,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102886594] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:50,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:50,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:50,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230977283] [2023-12-25 14:02:50,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:50,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:50,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:50,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:50,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:50,196 INFO L87 Difference]: Start difference. First operand 1453 states and 2390 transitions. Second operand has 5 states, 5 states have (on average 106.2) internal successors, (531), 5 states have internal predecessors, (531), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:50,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:50,428 INFO L93 Difference]: Finished difference Result 2650 states and 4354 transitions. [2023-12-25 14:02:50,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:50,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 106.2) internal successors, (531), 5 states have internal predecessors, (531), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 593 [2023-12-25 14:02:50,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:50,456 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:50,456 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:50,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:50,458 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 2248 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2261 SdHoareTripleChecker+Valid, 4508 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:50,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2261 Valid, 4508 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:50,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:50,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:50,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6432545201668984) internal successors, (2363), 1438 states have internal predecessors, (2363), 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 14:02:50,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2389 transitions. [2023-12-25 14:02:50,485 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2389 transitions. Word has length 593 [2023-12-25 14:02:50,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:50,485 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2389 transitions. [2023-12-25 14:02:50,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 106.2) internal successors, (531), 5 states have internal predecessors, (531), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:50,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2389 transitions. [2023-12-25 14:02:50,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2023-12-25 14:02:50,490 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:50,490 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:50,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-25 14:02:50,490 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:50,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:50,490 INFO L85 PathProgramCache]: Analyzing trace with hash 2106916337, now seen corresponding path program 1 times [2023-12-25 14:02:50,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:50,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853887374] [2023-12-25 14:02:50,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:50,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:51,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:51,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:51,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:51,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:51,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:51,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:51,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:51,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:51,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:51,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:51,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:51,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:51,190 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:51,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:51,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853887374] [2023-12-25 14:02:51,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853887374] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:51,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:51,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:51,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113043809] [2023-12-25 14:02:51,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:51,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:51,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:51,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:51,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:51,195 INFO L87 Difference]: Start difference. First operand 1453 states and 2389 transitions. Second operand has 5 states, 5 states have (on average 106.4) internal successors, (532), 5 states have internal predecessors, (532), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:51,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:51,433 INFO L93 Difference]: Finished difference Result 2650 states and 4352 transitions. [2023-12-25 14:02:51,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:51,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 106.4) internal successors, (532), 5 states have internal predecessors, (532), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 594 [2023-12-25 14:02:51,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:51,436 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:51,436 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:51,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:51,438 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 4089 mSDsluCounter, 2247 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4102 SdHoareTripleChecker+Valid, 4492 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:51,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4102 Valid, 4492 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:51,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:51,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:51,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6425591098748262) internal successors, (2362), 1438 states have internal predecessors, (2362), 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 14:02:51,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2388 transitions. [2023-12-25 14:02:51,462 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2388 transitions. Word has length 594 [2023-12-25 14:02:51,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:51,465 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2388 transitions. [2023-12-25 14:02:51,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 106.4) internal successors, (532), 5 states have internal predecessors, (532), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:51,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2388 transitions. [2023-12-25 14:02:51,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2023-12-25 14:02:51,468 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:51,468 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:51,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-25 14:02:51,469 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:51,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:51,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1341803895, now seen corresponding path program 1 times [2023-12-25 14:02:51,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:51,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62129324] [2023-12-25 14:02:51,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:51,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:52,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:52,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:52,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:52,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:52,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:52,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:52,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:52,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:52,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:52,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:52,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:52,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:52,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:52,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:52,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62129324] [2023-12-25 14:02:52,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62129324] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:52,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:52,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:52,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384941294] [2023-12-25 14:02:52,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:52,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:52,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:52,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:52,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:52,148 INFO L87 Difference]: Start difference. First operand 1453 states and 2388 transitions. Second operand has 5 states, 5 states have (on average 106.6) internal successors, (533), 5 states have internal predecessors, (533), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:52,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:52,425 INFO L93 Difference]: Finished difference Result 2650 states and 4350 transitions. [2023-12-25 14:02:52,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:52,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 106.6) internal successors, (533), 5 states have internal predecessors, (533), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 595 [2023-12-25 14:02:52,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:52,428 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:52,428 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:52,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:52,431 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 2201 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2214 SdHoareTripleChecker+Valid, 4508 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:52,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2214 Valid, 4508 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:52,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:52,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:52,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6418636995827538) internal successors, (2361), 1438 states have internal predecessors, (2361), 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 14:02:52,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2387 transitions. [2023-12-25 14:02:52,446 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2387 transitions. Word has length 595 [2023-12-25 14:02:52,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:52,447 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2387 transitions. [2023-12-25 14:02:52,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 106.6) internal successors, (533), 5 states have internal predecessors, (533), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:52,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2387 transitions. [2023-12-25 14:02:52,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2023-12-25 14:02:52,450 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:52,451 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:52,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-25 14:02:52,451 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:52,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:52,451 INFO L85 PathProgramCache]: Analyzing trace with hash 459943191, now seen corresponding path program 1 times [2023-12-25 14:02:52,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:52,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053187554] [2023-12-25 14:02:52,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:52,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:53,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:53,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:53,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:53,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:53,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:53,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:53,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:53,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:53,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:53,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:53,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:53,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:53,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:53,136 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:53,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:53,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053187554] [2023-12-25 14:02:53,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053187554] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:53,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:53,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:53,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789047434] [2023-12-25 14:02:53,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:53,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:53,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:53,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:53,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:53,139 INFO L87 Difference]: Start difference. First operand 1453 states and 2387 transitions. Second operand has 5 states, 5 states have (on average 106.8) internal successors, (534), 5 states have internal predecessors, (534), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:53,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:53,424 INFO L93 Difference]: Finished difference Result 2650 states and 4348 transitions. [2023-12-25 14:02:53,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:53,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 106.8) internal successors, (534), 5 states have internal predecessors, (534), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 596 [2023-12-25 14:02:53,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:53,428 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:53,428 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:53,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:53,431 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 2194 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2207 SdHoareTripleChecker+Valid, 4508 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:53,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2207 Valid, 4508 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:53,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:53,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:53,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6411682892906816) internal successors, (2360), 1438 states have internal predecessors, (2360), 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 14:02:53,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2386 transitions. [2023-12-25 14:02:53,451 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2386 transitions. Word has length 596 [2023-12-25 14:02:53,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:53,452 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2386 transitions. [2023-12-25 14:02:53,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 106.8) internal successors, (534), 5 states have internal predecessors, (534), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:53,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2386 transitions. [2023-12-25 14:02:53,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2023-12-25 14:02:53,456 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:53,456 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:53,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-25 14:02:53,457 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:53,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:53,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1283373879, now seen corresponding path program 1 times [2023-12-25 14:02:53,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:53,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679321380] [2023-12-25 14:02:53,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:53,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,794 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:54,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:54,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679321380] [2023-12-25 14:02:54,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679321380] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:54,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:54,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:02:54,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840371343] [2023-12-25 14:02:54,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:54,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:02:54,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:54,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:02:54,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:02:54,796 INFO L87 Difference]: Start difference. First operand 1453 states and 2386 transitions. Second operand has 4 states, 4 states have (on average 133.75) internal successors, (535), 4 states have internal predecessors, (535), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:54,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:54,989 INFO L93 Difference]: Finished difference Result 2650 states and 4346 transitions. [2023-12-25 14:02:54,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:54,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 133.75) internal successors, (535), 4 states have internal predecessors, (535), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 597 [2023-12-25 14:02:54,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:54,997 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:54,998 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:54,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 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 14:02:55,000 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 1888 mSDsluCounter, 2290 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1888 SdHoareTripleChecker+Valid, 4578 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:55,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1888 Valid, 4578 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:55,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:55,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:55,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6404728789986092) internal successors, (2359), 1438 states have internal predecessors, (2359), 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 14:02:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2385 transitions. [2023-12-25 14:02:55,024 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2385 transitions. Word has length 597 [2023-12-25 14:02:55,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:55,025 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2385 transitions. [2023-12-25 14:02:55,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 133.75) internal successors, (535), 4 states have internal predecessors, (535), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:55,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2385 transitions. [2023-12-25 14:02:55,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2023-12-25 14:02:55,030 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:55,031 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:55,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-25 14:02:55,031 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:55,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:55,032 INFO L85 PathProgramCache]: Analyzing trace with hash 383467965, now seen corresponding path program 1 times [2023-12-25 14:02:55,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:55,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003455951] [2023-12-25 14:02:55,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:55,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:55,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:55,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:55,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:55,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:55,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:55,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:55,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:55,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:55,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:55,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:55,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:55,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:55,938 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:55,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:55,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003455951] [2023-12-25 14:02:55,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003455951] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:55,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:55,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:55,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781004099] [2023-12-25 14:02:55,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:55,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:55,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:55,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:55,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:55,941 INFO L87 Difference]: Start difference. First operand 1453 states and 2385 transitions. Second operand has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:56,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:56,126 INFO L93 Difference]: Finished difference Result 2848 states and 4655 transitions. [2023-12-25 14:02:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 14:02:56,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 598 [2023-12-25 14:02:56,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:56,129 INFO L225 Difference]: With dead ends: 2848 [2023-12-25 14:02:56,129 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:56,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 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 14:02:56,131 INFO L413 NwaCegarLoop]: 2359 mSDtfsCounter, 2494 mSDsluCounter, 4662 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2494 SdHoareTripleChecker+Valid, 7021 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:56,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2494 Valid, 7021 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:02:56,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:56,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:56,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.639777468706537) internal successors, (2358), 1438 states have internal predecessors, (2358), 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 14:02:56,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2384 transitions. [2023-12-25 14:02:56,149 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2384 transitions. Word has length 598 [2023-12-25 14:02:56,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:56,149 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2384 transitions. [2023-12-25 14:02:56,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:56,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2384 transitions. [2023-12-25 14:02:56,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2023-12-25 14:02:56,152 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:56,153 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:56,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-25 14:02:56,153 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:56,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:56,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1890617475, now seen corresponding path program 1 times [2023-12-25 14:02:56,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:56,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164884659] [2023-12-25 14:02:56,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:56,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:56,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:56,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:56,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:56,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:56,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:56,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:56,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:56,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:56,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:56,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:56,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:56,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:56,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:56,901 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:56,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:56,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164884659] [2023-12-25 14:02:56,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164884659] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:56,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:56,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:56,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013904047] [2023-12-25 14:02:56,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:56,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:56,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:56,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:56,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:56,903 INFO L87 Difference]: Start difference. First operand 1453 states and 2384 transitions. Second operand has 5 states, 5 states have (on average 107.4) internal successors, (537), 5 states have internal predecessors, (537), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:57,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:57,079 INFO L93 Difference]: Finished difference Result 2650 states and 4342 transitions. [2023-12-25 14:02:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:57,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 107.4) internal successors, (537), 5 states have internal predecessors, (537), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 599 [2023-12-25 14:02:57,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:57,081 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:57,081 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:57,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:57,083 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 4383 mSDsluCounter, 2290 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4396 SdHoareTripleChecker+Valid, 4578 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:57,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4396 Valid, 4578 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:02:57,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:57,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:57,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6390820584144645) internal successors, (2357), 1438 states have internal predecessors, (2357), 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 14:02:57,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2383 transitions. [2023-12-25 14:02:57,100 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2383 transitions. Word has length 599 [2023-12-25 14:02:57,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:57,101 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2383 transitions. [2023-12-25 14:02:57,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 107.4) internal successors, (537), 5 states have internal predecessors, (537), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:57,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2383 transitions. [2023-12-25 14:02:57,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2023-12-25 14:02:57,104 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:57,105 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:57,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-25 14:02:57,105 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:57,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:57,105 INFO L85 PathProgramCache]: Analyzing trace with hash 310312983, now seen corresponding path program 1 times [2023-12-25 14:02:57,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:57,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281444448] [2023-12-25 14:02:57,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:57,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:57,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:57,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:57,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:57,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:57,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:57,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:57,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:57,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:57,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:57,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:57,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:57,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:57,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:57,781 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:57,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:57,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281444448] [2023-12-25 14:02:57,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281444448] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:57,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:57,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:57,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081632786] [2023-12-25 14:02:57,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:57,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:57,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:57,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:57,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:57,783 INFO L87 Difference]: Start difference. First operand 1453 states and 2383 transitions. Second operand has 5 states, 5 states have (on average 107.6) internal successors, (538), 5 states have internal predecessors, (538), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:57,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:57,949 INFO L93 Difference]: Finished difference Result 2650 states and 4340 transitions. [2023-12-25 14:02:57,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:57,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 107.6) internal successors, (538), 5 states have internal predecessors, (538), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 600 [2023-12-25 14:02:57,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:57,960 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:57,960 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:57,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:57,962 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 2299 mSDsluCounter, 2306 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2312 SdHoareTripleChecker+Valid, 4594 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:57,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2312 Valid, 4594 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:02:57,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:57,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:57,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6383866481223923) internal successors, (2356), 1438 states have internal predecessors, (2356), 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 14:02:57,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2382 transitions. [2023-12-25 14:02:57,985 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2382 transitions. Word has length 600 [2023-12-25 14:02:57,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:57,985 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2382 transitions. [2023-12-25 14:02:57,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 107.6) internal successors, (538), 5 states have internal predecessors, (538), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:57,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2382 transitions. [2023-12-25 14:02:57,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2023-12-25 14:02:57,992 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:57,992 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:57,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-25 14:02:57,993 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:57,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:57,993 INFO L85 PathProgramCache]: Analyzing trace with hash 925261597, now seen corresponding path program 1 times [2023-12-25 14:02:57,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:57,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372346453] [2023-12-25 14:02:57,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:57,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:58,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:58,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:58,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:58,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:58,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:58,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:58,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:58,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:58,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:58,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:58,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:58,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:58,752 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:58,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:58,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372346453] [2023-12-25 14:02:58,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372346453] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:58,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:58,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:58,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939042982] [2023-12-25 14:02:58,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:58,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:58,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:58,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:58,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:58,754 INFO L87 Difference]: Start difference. First operand 1453 states and 2382 transitions. Second operand has 5 states, 5 states have (on average 107.8) internal successors, (539), 5 states have internal predecessors, (539), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:58,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:58,912 INFO L93 Difference]: Finished difference Result 2650 states and 4338 transitions. [2023-12-25 14:02:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:58,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 107.8) internal successors, (539), 5 states have internal predecessors, (539), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 601 [2023-12-25 14:02:58,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:58,932 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:58,932 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:58,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:58,934 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 2295 mSDsluCounter, 2306 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2308 SdHoareTripleChecker+Valid, 4594 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:58,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2308 Valid, 4594 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:02:58,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:58,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:58,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.63769123783032) internal successors, (2355), 1438 states have internal predecessors, (2355), 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 14:02:58,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2381 transitions. [2023-12-25 14:02:58,949 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2381 transitions. Word has length 601 [2023-12-25 14:02:58,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:58,950 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2381 transitions. [2023-12-25 14:02:58,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 107.8) internal successors, (539), 5 states have internal predecessors, (539), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:58,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2381 transitions. [2023-12-25 14:02:58,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2023-12-25 14:02:58,954 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:58,954 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:58,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-25 14:02:58,954 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:58,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:58,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1441967293, now seen corresponding path program 1 times [2023-12-25 14:02:58,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:58,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001074971] [2023-12-25 14:02:58,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:58,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:59,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:02:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:59,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:02:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:59,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:02:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:59,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:02:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:59,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:02:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:59,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:02:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:59,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:02:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:59,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:02:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:59,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:02:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:59,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:02:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:59,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:59,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:02:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:59,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:02:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:59,606 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:02:59,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:59,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001074971] [2023-12-25 14:02:59,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001074971] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:59,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:59,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:59,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438259416] [2023-12-25 14:02:59,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:59,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:59,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:59,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:59,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:59,608 INFO L87 Difference]: Start difference. First operand 1453 states and 2381 transitions. Second operand has 5 states, 5 states have (on average 108.0) internal successors, (540), 5 states have internal predecessors, (540), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:59,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:59,764 INFO L93 Difference]: Finished difference Result 2650 states and 4336 transitions. [2023-12-25 14:02:59,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:59,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.0) internal successors, (540), 5 states have internal predecessors, (540), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 602 [2023-12-25 14:02:59,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:59,768 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:02:59,768 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:02:59,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:02:59,769 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 2244 mSDsluCounter, 2306 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2257 SdHoareTripleChecker+Valid, 4594 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:59,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2257 Valid, 4594 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:02:59,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:02:59,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:02:59,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6369958275382475) internal successors, (2354), 1438 states have internal predecessors, (2354), 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 14:02:59,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2380 transitions. [2023-12-25 14:02:59,784 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2380 transitions. Word has length 602 [2023-12-25 14:02:59,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:59,785 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2380 transitions. [2023-12-25 14:02:59,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.0) internal successors, (540), 5 states have internal predecessors, (540), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:02:59,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2380 transitions. [2023-12-25 14:02:59,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2023-12-25 14:02:59,788 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:59,788 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:59,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-25 14:02:59,788 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:59,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:59,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1327192765, now seen corresponding path program 1 times [2023-12-25 14:02:59,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:59,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488933709] [2023-12-25 14:02:59,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:59,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:00,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:00,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:00,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:00,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:00,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:00,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:00,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:00,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:00,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:00,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:00,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:00,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:00,532 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:00,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:00,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488933709] [2023-12-25 14:03:00,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488933709] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:00,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:00,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:00,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775453953] [2023-12-25 14:03:00,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:00,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:00,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:00,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:00,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:00,534 INFO L87 Difference]: Start difference. First operand 1453 states and 2380 transitions. Second operand has 5 states, 5 states have (on average 108.2) internal successors, (541), 5 states have internal predecessors, (541), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:00,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:00,702 INFO L93 Difference]: Finished difference Result 2650 states and 4334 transitions. [2023-12-25 14:03:00,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:00,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.2) internal successors, (541), 5 states have internal predecessors, (541), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 603 [2023-12-25 14:03:00,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:00,704 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:03:00,705 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:03:00,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:03:00,706 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 4163 mSDsluCounter, 2290 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4176 SdHoareTripleChecker+Valid, 4578 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:00,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4176 Valid, 4578 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:03:00,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:03:00,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:03:00,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6363004172461753) internal successors, (2353), 1438 states have internal predecessors, (2353), 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 14:03:00,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2379 transitions. [2023-12-25 14:03:00,722 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2379 transitions. Word has length 603 [2023-12-25 14:03:00,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:00,723 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2379 transitions. [2023-12-25 14:03:00,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.2) internal successors, (541), 5 states have internal predecessors, (541), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:00,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2379 transitions. [2023-12-25 14:03:00,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2023-12-25 14:03:00,726 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:00,726 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:00,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-25 14:03:00,726 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:00,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:00,727 INFO L85 PathProgramCache]: Analyzing trace with hash 63010455, now seen corresponding path program 1 times [2023-12-25 14:03:00,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:00,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484530398] [2023-12-25 14:03:00,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:00,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:01,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:01,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:01,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:01,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:01,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:01,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:01,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:01,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:01,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:01,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:01,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:01,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:01,451 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:01,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:01,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484530398] [2023-12-25 14:03:01,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484530398] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:01,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:01,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:01,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920257086] [2023-12-25 14:03:01,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:01,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:01,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:01,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:01,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:01,453 INFO L87 Difference]: Start difference. First operand 1453 states and 2379 transitions. Second operand has 5 states, 5 states have (on average 108.4) internal successors, (542), 5 states have internal predecessors, (542), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:01,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:01,603 INFO L93 Difference]: Finished difference Result 2650 states and 4332 transitions. [2023-12-25 14:03:01,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:01,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.4) internal successors, (542), 5 states have internal predecessors, (542), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 604 [2023-12-25 14:03:01,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:01,605 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:03:01,605 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:03:01,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 14:03:01,606 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 2186 mSDsluCounter, 2306 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2199 SdHoareTripleChecker+Valid, 4594 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:01,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2199 Valid, 4594 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:03:01,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:03:01,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:03:01,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6356050069541028) internal successors, (2352), 1438 states have internal predecessors, (2352), 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 14:03:01,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2378 transitions. [2023-12-25 14:03:01,620 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2378 transitions. Word has length 604 [2023-12-25 14:03:01,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:01,622 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2378 transitions. [2023-12-25 14:03:01,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.4) internal successors, (542), 5 states have internal predecessors, (542), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2378 transitions. [2023-12-25 14:03:01,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-25 14:03:01,625 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:01,626 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:01,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-25 14:03:01,626 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:01,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:01,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1291506999, now seen corresponding path program 1 times [2023-12-25 14:03:01,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:01,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680140262] [2023-12-25 14:03:01,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:01,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:02,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:02,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:02,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:02,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:02,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:02,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:02,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:02,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:02,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:02,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:02,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:02,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:02,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:02,779 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:02,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:02,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680140262] [2023-12-25 14:03:02,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680140262] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:02,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:02,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:02,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697471359] [2023-12-25 14:03:02,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:02,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:02,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:02,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:02,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:02,781 INFO L87 Difference]: Start difference. First operand 1453 states and 2378 transitions. Second operand has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:02,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:02,933 INFO L93 Difference]: Finished difference Result 2650 states and 4330 transitions. [2023-12-25 14:03:02,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:02,934 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 605 [2023-12-25 14:03:02,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:02,935 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:03:02,935 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:03:02,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 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 14:03:02,937 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 4203 mSDsluCounter, 2290 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4216 SdHoareTripleChecker+Valid, 4578 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:02,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4216 Valid, 4578 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:03:02,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:03:02,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:03:02,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6349095966620306) internal successors, (2351), 1438 states have internal predecessors, (2351), 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 14:03:02,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2377 transitions. [2023-12-25 14:03:02,952 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2377 transitions. Word has length 605 [2023-12-25 14:03:02,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:02,952 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2377 transitions. [2023-12-25 14:03:02,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:02,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2377 transitions. [2023-12-25 14:03:02,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-25 14:03:02,955 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:02,956 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:02,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-25 14:03:02,956 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:02,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:02,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1916500747, now seen corresponding path program 1 times [2023-12-25 14:03:02,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:02,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462373705] [2023-12-25 14:03:02,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:02,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:04,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:04,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:04,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:04,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:04,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:04,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:04,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:04,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:04,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:04,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:04,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:04,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:04,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:04,227 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:04,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:04,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462373705] [2023-12-25 14:03:04,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462373705] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:04,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:04,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:04,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697936114] [2023-12-25 14:03:04,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:04,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:04,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:04,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:04,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:04,229 INFO L87 Difference]: Start difference. First operand 1453 states and 2377 transitions. Second operand has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:04,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:04,365 INFO L93 Difference]: Finished difference Result 2650 states and 4328 transitions. [2023-12-25 14:03:04,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:04,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 605 [2023-12-25 14:03:04,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:04,367 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:03:04,367 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:03:04,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 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 14:03:04,372 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 4148 mSDsluCounter, 2290 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4161 SdHoareTripleChecker+Valid, 4578 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:04,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4161 Valid, 4578 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:03:04,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:03:04,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:03:04,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6342141863699582) internal successors, (2350), 1438 states have internal predecessors, (2350), 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 14:03:04,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2376 transitions. [2023-12-25 14:03:04,386 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2376 transitions. Word has length 605 [2023-12-25 14:03:04,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:04,386 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2376 transitions. [2023-12-25 14:03:04,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:04,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2376 transitions. [2023-12-25 14:03:04,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-25 14:03:04,390 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:04,390 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:04,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-25 14:03:04,390 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:04,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:04,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1267907977, now seen corresponding path program 1 times [2023-12-25 14:03:04,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:04,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91619813] [2023-12-25 14:03:04,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:04,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,517 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:05,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:05,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91619813] [2023-12-25 14:03:05,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91619813] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:05,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:05,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:05,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724288836] [2023-12-25 14:03:05,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:05,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:05,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:05,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:05,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:05,519 INFO L87 Difference]: Start difference. First operand 1453 states and 2376 transitions. Second operand has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:05,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:05,674 INFO L93 Difference]: Finished difference Result 2650 states and 4326 transitions. [2023-12-25 14:03:05,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:05,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 605 [2023-12-25 14:03:05,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:05,676 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:03:05,676 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:03:05,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 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 14:03:05,678 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 4093 mSDsluCounter, 2290 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4106 SdHoareTripleChecker+Valid, 4578 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:05,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4106 Valid, 4578 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:03:05,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:03:05,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:03:05,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.633518776077886) internal successors, (2349), 1438 states have internal predecessors, (2349), 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 14:03:05,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2375 transitions. [2023-12-25 14:03:05,691 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2375 transitions. Word has length 605 [2023-12-25 14:03:05,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:05,692 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2375 transitions. [2023-12-25 14:03:05,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:05,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2375 transitions. [2023-12-25 14:03:05,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-25 14:03:05,696 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:05,696 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:05,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-12-25 14:03:05,696 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:05,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:05,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1184583605, now seen corresponding path program 1 times [2023-12-25 14:03:05,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:05,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681723700] [2023-12-25 14:03:05,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:05,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:06,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:06,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:06,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:06,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:06,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:06,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:06,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:06,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:06,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:06,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:06,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:06,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:06,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:06,789 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:06,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:06,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681723700] [2023-12-25 14:03:06,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681723700] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:06,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:06,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:06,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211464189] [2023-12-25 14:03:06,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:06,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:06,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:06,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:06,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:06,791 INFO L87 Difference]: Start difference. First operand 1453 states and 2375 transitions. Second operand has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:06,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:06,948 INFO L93 Difference]: Finished difference Result 2650 states and 4324 transitions. [2023-12-25 14:03:06,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:06,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 605 [2023-12-25 14:03:06,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:06,950 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:03:06,950 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:03:06,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 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 14:03:06,951 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 4038 mSDsluCounter, 2290 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4051 SdHoareTripleChecker+Valid, 4578 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:06,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4051 Valid, 4578 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:03:06,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:03:06,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:03:06,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6328233657858136) internal successors, (2348), 1438 states have internal predecessors, (2348), 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 14:03:06,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2374 transitions. [2023-12-25 14:03:07,008 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2374 transitions. Word has length 605 [2023-12-25 14:03:07,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:07,009 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2374 transitions. [2023-12-25 14:03:07,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:07,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2374 transitions. [2023-12-25 14:03:07,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-25 14:03:07,012 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:07,012 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:07,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-12-25 14:03:07,013 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:07,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:07,013 INFO L85 PathProgramCache]: Analyzing trace with hash -501596233, now seen corresponding path program 1 times [2023-12-25 14:03:07,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:07,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979028099] [2023-12-25 14:03:07,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:07,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:09,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:09,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:09,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:09,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:09,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:09,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:09,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:09,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:09,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:09,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:09,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:09,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:09,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:09,481 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:09,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:09,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979028099] [2023-12-25 14:03:09,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979028099] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:09,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:09,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:03:09,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165352402] [2023-12-25 14:03:09,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:09,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:03:09,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:09,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:03:09,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:03:09,483 INFO L87 Difference]: Start difference. First operand 1453 states and 2374 transitions. Second operand has 4 states, 4 states have (on average 135.75) internal successors, (543), 4 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:09,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:09,700 INFO L93 Difference]: Finished difference Result 2650 states and 4322 transitions. [2023-12-25 14:03:09,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:09,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 135.75) internal successors, (543), 4 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 605 [2023-12-25 14:03:09,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:09,702 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:03:09,702 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:03:09,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 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 14:03:09,703 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 2021 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 4468 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:09,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 4468 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:03:09,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:03:09,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:03:09,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6321279554937413) internal successors, (2347), 1438 states have internal predecessors, (2347), 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 14:03:09,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2373 transitions. [2023-12-25 14:03:09,721 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2373 transitions. Word has length 605 [2023-12-25 14:03:09,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:09,721 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2373 transitions. [2023-12-25 14:03:09,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 135.75) internal successors, (543), 4 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:09,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2373 transitions. [2023-12-25 14:03:09,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-25 14:03:09,725 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:09,725 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:09,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-12-25 14:03:09,725 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:09,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:09,725 INFO L85 PathProgramCache]: Analyzing trace with hash 685381109, now seen corresponding path program 1 times [2023-12-25 14:03:09,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:09,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200002210] [2023-12-25 14:03:09,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:09,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:11,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:11,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:11,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:11,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:11,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:11,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:11,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:11,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:11,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:11,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:11,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:11,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:11,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:11,450 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:11,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:11,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200002210] [2023-12-25 14:03:11,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200002210] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:11,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:11,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:11,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584248584] [2023-12-25 14:03:11,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:11,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:11,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:11,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:11,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:11,452 INFO L87 Difference]: Start difference. First operand 1453 states and 2373 transitions. Second operand has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:11,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:11,677 INFO L93 Difference]: Finished difference Result 2650 states and 4320 transitions. [2023-12-25 14:03:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:11,678 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 605 [2023-12-25 14:03:11,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:11,679 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:03:11,679 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:03:11,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 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 14:03:11,681 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 4035 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4035 SdHoareTripleChecker+Valid, 4468 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:11,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4035 Valid, 4468 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:03:11,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:03:11,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:03:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.631432545201669) internal successors, (2346), 1438 states have internal predecessors, (2346), 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 14:03:11,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2372 transitions. [2023-12-25 14:03:11,695 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2372 transitions. Word has length 605 [2023-12-25 14:03:11,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:11,696 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2372 transitions. [2023-12-25 14:03:11,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:11,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2372 transitions. [2023-12-25 14:03:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-25 14:03:11,699 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:11,699 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:11,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-12-25 14:03:11,700 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:11,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:11,701 INFO L85 PathProgramCache]: Analyzing trace with hash 683546743, now seen corresponding path program 1 times [2023-12-25 14:03:11,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:11,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267341050] [2023-12-25 14:03:11,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:11,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:13,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:13,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:13,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:13,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:13,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:13,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:13,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:13,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:13,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:13,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:13,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:13,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:13,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:13,307 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:13,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:13,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267341050] [2023-12-25 14:03:13,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267341050] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:13,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:13,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:13,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904497507] [2023-12-25 14:03:13,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:13,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:13,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:13,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:13,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:13,309 INFO L87 Difference]: Start difference. First operand 1453 states and 2372 transitions. Second operand has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:13,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:13,541 INFO L93 Difference]: Finished difference Result 2650 states and 4318 transitions. [2023-12-25 14:03:13,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:13,541 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 605 [2023-12-25 14:03:13,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:13,543 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:03:13,543 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:03:13,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 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 14:03:13,545 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 4030 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4030 SdHoareTripleChecker+Valid, 4468 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:13,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4030 Valid, 4468 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:03:13,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:03:13,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:03:13,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6307371349095967) internal successors, (2345), 1438 states have internal predecessors, (2345), 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 14:03:13,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2371 transitions. [2023-12-25 14:03:13,561 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2371 transitions. Word has length 605 [2023-12-25 14:03:13,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:13,561 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2371 transitions. [2023-12-25 14:03:13,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:13,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2371 transitions. [2023-12-25 14:03:13,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-25 14:03:13,565 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:13,565 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:13,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-12-25 14:03:13,565 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:13,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:13,566 INFO L85 PathProgramCache]: Analyzing trace with hash 414381365, now seen corresponding path program 1 times [2023-12-25 14:03:13,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:13,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271267091] [2023-12-25 14:03:13,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:13,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:15,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:15,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:15,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:15,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:15,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:15,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:15,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:15,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:15,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:15,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:15,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:15,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:15,080 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:15,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:15,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271267091] [2023-12-25 14:03:15,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271267091] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:15,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:15,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:15,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566363308] [2023-12-25 14:03:15,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:15,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:15,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:15,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:15,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:15,081 INFO L87 Difference]: Start difference. First operand 1453 states and 2371 transitions. Second operand has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:15,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:15,304 INFO L93 Difference]: Finished difference Result 2650 states and 4316 transitions. [2023-12-25 14:03:15,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:15,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 605 [2023-12-25 14:03:15,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:15,305 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:03:15,305 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:03:15,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 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 14:03:15,307 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 2017 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2017 SdHoareTripleChecker+Valid, 4484 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:15,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2017 Valid, 4484 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:03:15,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:03:15,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:03:15,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6300417246175243) internal successors, (2344), 1438 states have internal predecessors, (2344), 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 14:03:15,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2370 transitions. [2023-12-25 14:03:15,320 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2370 transitions. Word has length 605 [2023-12-25 14:03:15,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:15,320 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2370 transitions. [2023-12-25 14:03:15,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:15,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2370 transitions. [2023-12-25 14:03:15,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-25 14:03:15,324 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:15,324 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:15,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-12-25 14:03:15,324 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:15,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:15,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1508869065, now seen corresponding path program 1 times [2023-12-25 14:03:15,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:15,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66728573] [2023-12-25 14:03:15,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:15,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,964 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:16,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:16,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66728573] [2023-12-25 14:03:16,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66728573] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:16,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:16,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:16,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300405079] [2023-12-25 14:03:16,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:16,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:16,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:16,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:16,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:16,966 INFO L87 Difference]: Start difference. First operand 1453 states and 2370 transitions. Second operand has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:17,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:17,224 INFO L93 Difference]: Finished difference Result 2650 states and 4314 transitions. [2023-12-25 14:03:17,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:17,224 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 605 [2023-12-25 14:03:17,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:17,226 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:03:17,226 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:03:17,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 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 14:03:17,227 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 3976 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3976 SdHoareTripleChecker+Valid, 4468 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:17,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3976 Valid, 4468 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:03:17,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:03:17,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:03:17,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.629346314325452) internal successors, (2343), 1438 states have internal predecessors, (2343), 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 14:03:17,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2369 transitions. [2023-12-25 14:03:17,242 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2369 transitions. Word has length 605 [2023-12-25 14:03:17,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:17,243 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2369 transitions. [2023-12-25 14:03:17,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:17,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2369 transitions. [2023-12-25 14:03:17,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-25 14:03:17,246 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:17,246 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:17,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-12-25 14:03:17,246 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:17,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:17,247 INFO L85 PathProgramCache]: Analyzing trace with hash -938597259, now seen corresponding path program 1 times [2023-12-25 14:03:17,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:17,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061751113] [2023-12-25 14:03:17,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:17,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:18,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:18,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:18,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:18,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:18,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:18,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:18,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:18,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:18,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:18,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:18,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:18,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:18,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:18,993 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:18,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:18,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061751113] [2023-12-25 14:03:18,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061751113] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:18,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:18,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:18,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898183066] [2023-12-25 14:03:18,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:18,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:18,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:18,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:18,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:18,995 INFO L87 Difference]: Start difference. First operand 1453 states and 2369 transitions. Second operand has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:19,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:19,203 INFO L93 Difference]: Finished difference Result 2650 states and 4312 transitions. [2023-12-25 14:03:19,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:19,203 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 605 [2023-12-25 14:03:19,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:19,205 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:03:19,205 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:03:19,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 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 14:03:19,206 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 3971 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3971 SdHoareTripleChecker+Valid, 4468 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:19,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3971 Valid, 4468 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:03:19,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:03:19,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:03:19,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6286509040333796) internal successors, (2342), 1438 states have internal predecessors, (2342), 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 14:03:19,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2368 transitions. [2023-12-25 14:03:19,224 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2368 transitions. Word has length 605 [2023-12-25 14:03:19,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:19,224 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2368 transitions. [2023-12-25 14:03:19,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:19,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2368 transitions. [2023-12-25 14:03:19,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-25 14:03:19,228 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:19,228 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:19,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-12-25 14:03:19,228 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:19,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:19,228 INFO L85 PathProgramCache]: Analyzing trace with hash -271215369, now seen corresponding path program 1 times [2023-12-25 14:03:19,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:19,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143267909] [2023-12-25 14:03:19,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:19,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:20,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:20,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:20,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:20,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:20,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:20,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:20,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:20,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:20,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:20,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:20,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:20,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:20,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:20,806 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:20,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:20,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143267909] [2023-12-25 14:03:20,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143267909] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:20,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:20,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:20,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685470615] [2023-12-25 14:03:20,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:20,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:20,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:20,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:20,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:20,808 INFO L87 Difference]: Start difference. First operand 1453 states and 2368 transitions. Second operand has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:21,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:21,060 INFO L93 Difference]: Finished difference Result 2650 states and 4310 transitions. [2023-12-25 14:03:21,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:21,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 605 [2023-12-25 14:03:21,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:21,062 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:03:21,062 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:03:21,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 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 14:03:21,063 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 3922 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3922 SdHoareTripleChecker+Valid, 4468 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:21,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3922 Valid, 4468 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:03:21,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:03:21,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:03:21,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6279554937413074) internal successors, (2341), 1438 states have internal predecessors, (2341), 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 14:03:21,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2367 transitions. [2023-12-25 14:03:21,082 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2367 transitions. Word has length 605 [2023-12-25 14:03:21,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:21,082 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2367 transitions. [2023-12-25 14:03:21,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:21,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2367 transitions. [2023-12-25 14:03:21,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-25 14:03:21,085 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:21,086 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:21,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-12-25 14:03:21,086 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:21,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:21,086 INFO L85 PathProgramCache]: Analyzing trace with hash 200140981, now seen corresponding path program 1 times [2023-12-25 14:03:21,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:21,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657409322] [2023-12-25 14:03:21,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:21,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:22,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:22,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:22,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:22,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:22,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:22,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:22,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:22,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:22,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:22,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:22,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:22,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:22,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:22,912 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:22,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:22,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657409322] [2023-12-25 14:03:22,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657409322] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:22,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:22,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:22,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418030212] [2023-12-25 14:03:22,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:22,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:22,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:22,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:22,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:22,914 INFO L87 Difference]: Start difference. First operand 1453 states and 2367 transitions. Second operand has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:23,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:23,122 INFO L93 Difference]: Finished difference Result 2650 states and 4308 transitions. [2023-12-25 14:03:23,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:23,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 605 [2023-12-25 14:03:23,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:23,124 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:03:23,124 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:03:23,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 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 14:03:23,125 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 2013 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2013 SdHoareTripleChecker+Valid, 4484 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:23,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2013 Valid, 4484 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:03:23,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:03:23,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:03:23,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.627260083449235) internal successors, (2340), 1438 states have internal predecessors, (2340), 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 14:03:23,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2366 transitions. [2023-12-25 14:03:23,139 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2366 transitions. Word has length 605 [2023-12-25 14:03:23,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:23,140 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2366 transitions. [2023-12-25 14:03:23,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:23,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2366 transitions. [2023-12-25 14:03:23,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-25 14:03:23,143 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:23,144 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:23,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-12-25 14:03:23,144 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:23,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:23,144 INFO L85 PathProgramCache]: Analyzing trace with hash -838443593, now seen corresponding path program 1 times [2023-12-25 14:03:23,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:23,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507229470] [2023-12-25 14:03:23,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:23,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:24,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:24,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:24,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:24,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:24,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:24,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:24,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:24,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:24,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:24,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:24,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:24,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:24,990 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:24,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:24,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507229470] [2023-12-25 14:03:24,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507229470] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:24,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:24,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:24,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905558618] [2023-12-25 14:03:24,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:24,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:24,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:24,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:24,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:24,992 INFO L87 Difference]: Start difference. First operand 1453 states and 2366 transitions. Second operand has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:25,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:25,247 INFO L93 Difference]: Finished difference Result 2650 states and 4306 transitions. [2023-12-25 14:03:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:25,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 605 [2023-12-25 14:03:25,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:25,249 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:03:25,249 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:03:25,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 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 14:03:25,252 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 2012 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2012 SdHoareTripleChecker+Valid, 4484 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:25,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2012 Valid, 4484 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:03:25,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:03:25,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:03:25,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6265646731571628) internal successors, (2339), 1438 states have internal predecessors, (2339), 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 14:03:25,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2365 transitions. [2023-12-25 14:03:25,266 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2365 transitions. Word has length 605 [2023-12-25 14:03:25,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:25,266 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2365 transitions. [2023-12-25 14:03:25,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:25,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2365 transitions. [2023-12-25 14:03:25,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-25 14:03:25,270 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:25,270 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:25,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-12-25 14:03:25,270 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:25,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:25,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1461725195, now seen corresponding path program 1 times [2023-12-25 14:03:25,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:25,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670367871] [2023-12-25 14:03:25,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:25,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:26,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:26,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:26,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:26,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:26,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:26,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:26,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:26,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:26,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:26,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:26,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:26,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:26,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:26,858 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:26,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:26,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670367871] [2023-12-25 14:03:26,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670367871] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:26,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:26,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:26,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421423965] [2023-12-25 14:03:26,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:26,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:26,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:26,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:26,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:26,860 INFO L87 Difference]: Start difference. First operand 1453 states and 2365 transitions. Second operand has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:27,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:27,063 INFO L93 Difference]: Finished difference Result 2650 states and 4304 transitions. [2023-12-25 14:03:27,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:27,063 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 605 [2023-12-25 14:03:27,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:27,065 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:03:27,065 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:03:27,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 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 14:03:27,066 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 2011 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2011 SdHoareTripleChecker+Valid, 4484 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:27,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2011 Valid, 4484 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:03:27,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:03:27,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:03:27,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6258692628650904) internal successors, (2338), 1438 states have internal predecessors, (2338), 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 14:03:27,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2364 transitions. [2023-12-25 14:03:27,081 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2364 transitions. Word has length 605 [2023-12-25 14:03:27,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:27,081 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2364 transitions. [2023-12-25 14:03:27,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:27,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2364 transitions. [2023-12-25 14:03:27,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-25 14:03:27,084 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:27,084 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:27,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-12-25 14:03:27,085 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:27,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:27,085 INFO L85 PathProgramCache]: Analyzing trace with hash -901025417, now seen corresponding path program 1 times [2023-12-25 14:03:27,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:27,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75516260] [2023-12-25 14:03:27,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:27,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:28,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:28,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:28,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:28,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:28,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:28,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:28,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:28,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:28,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:28,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:28,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:28,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:28,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:28,808 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:28,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:28,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75516260] [2023-12-25 14:03:28,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75516260] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:28,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:28,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:03:28,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109037040] [2023-12-25 14:03:28,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:28,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:03:28,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:28,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:03:28,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:03:28,809 INFO L87 Difference]: Start difference. First operand 1453 states and 2364 transitions. Second operand has 4 states, 4 states have (on average 135.75) internal successors, (543), 4 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:29,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:29,006 INFO L93 Difference]: Finished difference Result 2650 states and 4302 transitions. [2023-12-25 14:03:29,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:29,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 135.75) internal successors, (543), 4 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 605 [2023-12-25 14:03:29,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:29,007 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:03:29,007 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:03:29,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 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 14:03:29,009 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 1849 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1849 SdHoareTripleChecker+Valid, 4468 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:29,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1849 Valid, 4468 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:03:29,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:03:29,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:03:29,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6251738525730182) internal successors, (2337), 1438 states have internal predecessors, (2337), 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 14:03:29,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2363 transitions. [2023-12-25 14:03:29,035 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2363 transitions. Word has length 605 [2023-12-25 14:03:29,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:29,035 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2363 transitions. [2023-12-25 14:03:29,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 135.75) internal successors, (543), 4 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:29,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2363 transitions. [2023-12-25 14:03:29,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-25 14:03:29,039 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:29,039 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:29,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-12-25 14:03:29,039 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:29,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:29,039 INFO L85 PathProgramCache]: Analyzing trace with hash -860350667, now seen corresponding path program 1 times [2023-12-25 14:03:29,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:29,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281234959] [2023-12-25 14:03:29,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:29,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:30,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:30,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:30,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:30,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:30,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:30,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:30,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:30,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:30,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:30,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:30,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:30,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:30,657 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:30,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:30,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281234959] [2023-12-25 14:03:30,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281234959] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:30,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:30,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:03:30,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079532574] [2023-12-25 14:03:30,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:30,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:03:30,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:30,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:03:30,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:03:30,673 INFO L87 Difference]: Start difference. First operand 1453 states and 2363 transitions. Second operand has 4 states, 4 states have (on average 135.75) internal successors, (543), 4 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:30,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:30,850 INFO L93 Difference]: Finished difference Result 2650 states and 4300 transitions. [2023-12-25 14:03:30,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:30,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 135.75) internal successors, (543), 4 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 605 [2023-12-25 14:03:30,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:30,858 INFO L225 Difference]: With dead ends: 2650 [2023-12-25 14:03:30,858 INFO L226 Difference]: Without dead ends: 1453 [2023-12-25 14:03:30,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 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 14:03:30,859 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 1845 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1845 SdHoareTripleChecker+Valid, 4468 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:30,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1845 Valid, 4468 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:03:30,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-25 14:03:30,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-25 14:03:30,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1438 states have (on average 1.6244784422809457) internal successors, (2336), 1438 states have internal predecessors, (2336), 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 14:03:30,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2362 transitions. [2023-12-25 14:03:30,873 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2362 transitions. Word has length 605 [2023-12-25 14:03:30,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:30,874 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2362 transitions. [2023-12-25 14:03:30,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 135.75) internal successors, (543), 4 states have internal predecessors, (543), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:03:30,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2362 transitions. [2023-12-25 14:03:30,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-25 14:03:30,877 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:30,877 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:30,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-12-25 14:03:30,877 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:30,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:30,878 INFO L85 PathProgramCache]: Analyzing trace with hash -416449993, now seen corresponding path program 1 times [2023-12-25 14:03:30,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:30,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028323712] [2023-12-25 14:03:30,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:30,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:03:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:03:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:03:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,282 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:34,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:34,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028323712] [2023-12-25 14:03:34,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028323712] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:34,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:34,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-25 14:03:34,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188562114] [2023-12-25 14:03:34,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:34,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-25 14:03:34,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:34,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-25 14:03:34,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-25 14:03:34,284 INFO L87 Difference]: Start difference. First operand 1453 states and 2362 transitions. Second operand has 11 states, 11 states have (on average 49.36363636363637) internal successors, (543), 11 states have internal predecessors, (543), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 14:03:38,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:38,128 INFO L93 Difference]: Finished difference Result 5307 states and 8601 transitions. [2023-12-25 14:03:38,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 14:03:38,128 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 49.36363636363637) internal successors, (543), 11 states have internal predecessors, (543), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 605 [2023-12-25 14:03:38,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:38,133 INFO L225 Difference]: With dead ends: 5307 [2023-12-25 14:03:38,133 INFO L226 Difference]: Without dead ends: 4110 [2023-12-25 14:03:38,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2023-12-25 14:03:38,135 INFO L413 NwaCegarLoop]: 3300 mSDtfsCounter, 9982 mSDsluCounter, 19592 mSDsCounter, 0 mSdLazyCounter, 7406 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10000 SdHoareTripleChecker+Valid, 22892 SdHoareTripleChecker+Invalid, 7467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 7406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:38,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10000 Valid, 22892 Invalid, 7467 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [61 Valid, 7406 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-12-25 14:03:38,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4110 states. [2023-12-25 14:03:38,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4110 to 1644. [2023-12-25 14:03:38,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1644 states, 1620 states have (on average 1.623456790123457) internal successors, (2630), 1620 states have internal predecessors, (2630), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-25 14:03:38,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1644 states and 2674 transitions. [2023-12-25 14:03:38,167 INFO L78 Accepts]: Start accepts. Automaton has 1644 states and 2674 transitions. Word has length 605 [2023-12-25 14:03:38,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:38,167 INFO L495 AbstractCegarLoop]: Abstraction has 1644 states and 2674 transitions. [2023-12-25 14:03:38,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 49.36363636363637) internal successors, (543), 11 states have internal predecessors, (543), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 14:03:38,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 2674 transitions. [2023-12-25 14:03:38,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2023-12-25 14:03:38,170 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:38,171 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:38,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-12-25 14:03:38,171 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:38,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:38,171 INFO L85 PathProgramCache]: Analyzing trace with hash -2076607721, now seen corresponding path program 1 times [2023-12-25 14:03:38,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:38,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206754407] [2023-12-25 14:03:38,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:38,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:41,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:41,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:41,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:41,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:41,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:41,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:41,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:41,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:41,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:41,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:03:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:41,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:03:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:41,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-12-25 14:03:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:41,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2023-12-25 14:03:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:41,617 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:41,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:41,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206754407] [2023-12-25 14:03:41,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206754407] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:41,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:41,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-25 14:03:41,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384444469] [2023-12-25 14:03:41,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:41,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-25 14:03:41,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:41,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-25 14:03:41,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-25 14:03:41,619 INFO L87 Difference]: Start difference. First operand 1644 states and 2674 transitions. Second operand has 11 states, 11 states have (on average 49.45454545454545) internal successors, (544), 11 states have internal predecessors, (544), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 14:03:45,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:45,628 INFO L93 Difference]: Finished difference Result 5784 states and 9375 transitions. [2023-12-25 14:03:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 14:03:45,628 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 49.45454545454545) internal successors, (544), 11 states have internal predecessors, (544), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 606 [2023-12-25 14:03:45,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:45,635 INFO L225 Difference]: With dead ends: 5784 [2023-12-25 14:03:45,635 INFO L226 Difference]: Without dead ends: 4587 [2023-12-25 14:03:45,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2023-12-25 14:03:45,636 INFO L413 NwaCegarLoop]: 3368 mSDtfsCounter, 9861 mSDsluCounter, 21813 mSDsCounter, 0 mSdLazyCounter, 8370 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9879 SdHoareTripleChecker+Valid, 25181 SdHoareTripleChecker+Invalid, 8421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 8370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:45,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9879 Valid, 25181 Invalid, 8421 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [51 Valid, 8370 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-12-25 14:03:45,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4587 states. [2023-12-25 14:03:45,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4587 to 2036. [2023-12-25 14:03:45,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2036 states, 1992 states have (on average 1.6214859437751004) internal successors, (3230), 1992 states have internal predecessors, (3230), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-25 14:03:45,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 2036 states and 3314 transitions. [2023-12-25 14:03:45,759 INFO L78 Accepts]: Start accepts. Automaton has 2036 states and 3314 transitions. Word has length 606 [2023-12-25 14:03:45,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:45,759 INFO L495 AbstractCegarLoop]: Abstraction has 2036 states and 3314 transitions. [2023-12-25 14:03:45,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 49.45454545454545) internal successors, (544), 11 states have internal predecessors, (544), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 14:03:45,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 3314 transitions. [2023-12-25 14:03:45,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2023-12-25 14:03:45,763 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:45,763 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:45,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-12-25 14:03:45,763 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:45,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:45,763 INFO L85 PathProgramCache]: Analyzing trace with hash -2054022759, now seen corresponding path program 1 times [2023-12-25 14:03:45,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:45,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29204862] [2023-12-25 14:03:45,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:45,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:49,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:49,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:49,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:49,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:49,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:49,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:49,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:49,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:49,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:49,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:03:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:49,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:03:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:49,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:03:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:49,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-12-25 14:03:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:49,139 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:49,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:49,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29204862] [2023-12-25 14:03:49,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29204862] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:49,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:49,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-25 14:03:49,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703970974] [2023-12-25 14:03:49,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:49,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-25 14:03:49,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:49,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-25 14:03:49,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-25 14:03:49,141 INFO L87 Difference]: Start difference. First operand 2036 states and 3314 transitions. Second operand has 11 states, 11 states have (on average 49.54545454545455) internal successors, (545), 11 states have internal predecessors, (545), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 14:03:52,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:52,890 INFO L93 Difference]: Finished difference Result 6737 states and 10921 transitions. [2023-12-25 14:03:52,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 14:03:52,891 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 49.54545454545455) internal successors, (545), 11 states have internal predecessors, (545), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 607 [2023-12-25 14:03:52,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:52,897 INFO L225 Difference]: With dead ends: 6737 [2023-12-25 14:03:52,897 INFO L226 Difference]: Without dead ends: 5540 [2023-12-25 14:03:52,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2023-12-25 14:03:52,898 INFO L413 NwaCegarLoop]: 3408 mSDtfsCounter, 11619 mSDsluCounter, 20113 mSDsCounter, 0 mSdLazyCounter, 7693 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11637 SdHoareTripleChecker+Valid, 23521 SdHoareTripleChecker+Invalid, 7742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 7693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:52,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11637 Valid, 23521 Invalid, 7742 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [49 Valid, 7693 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-25 14:03:52,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5540 states. [2023-12-25 14:03:52,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5540 to 2819. [2023-12-25 14:03:52,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2819 states, 2734 states have (on average 1.6188734455010974) internal successors, (4426), 2734 states have internal predecessors, (4426), 83 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2023-12-25 14:03:52,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 4592 transitions. [2023-12-25 14:03:52,956 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 4592 transitions. Word has length 607 [2023-12-25 14:03:52,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:52,956 INFO L495 AbstractCegarLoop]: Abstraction has 2819 states and 4592 transitions. [2023-12-25 14:03:52,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 49.54545454545455) internal successors, (545), 11 states have internal predecessors, (545), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 14:03:52,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 4592 transitions. [2023-12-25 14:03:52,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2023-12-25 14:03:52,961 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:52,961 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:52,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-12-25 14:03:52,961 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:52,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:52,962 INFO L85 PathProgramCache]: Analyzing trace with hash 302663205, now seen corresponding path program 1 times [2023-12-25 14:03:52,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:52,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501665636] [2023-12-25 14:03:52,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:52,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:56,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:56,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:56,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:56,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:56,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:56,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:56,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:56,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:56,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:56,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:03:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:56,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:03:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:56,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:03:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:56,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:03:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:56,485 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:56,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:56,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501665636] [2023-12-25 14:03:56,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501665636] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:56,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:56,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 14:03:56,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31329367] [2023-12-25 14:03:56,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:56,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 14:03:56,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:56,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 14:03:56,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-25 14:03:56,487 INFO L87 Difference]: Start difference. First operand 2819 states and 4592 transitions. Second operand has 8 states, 8 states have (on average 68.25) internal successors, (546), 8 states have internal predecessors, (546), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 14:03:57,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:57,013 INFO L93 Difference]: Finished difference Result 6398 states and 10385 transitions. [2023-12-25 14:03:57,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 14:03:57,013 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 68.25) internal successors, (546), 8 states have internal predecessors, (546), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 608 [2023-12-25 14:03:57,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:57,021 INFO L225 Difference]: With dead ends: 6398 [2023-12-25 14:03:57,021 INFO L226 Difference]: Without dead ends: 5199 [2023-12-25 14:03:57,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-12-25 14:03:57,023 INFO L413 NwaCegarLoop]: 4428 mSDtfsCounter, 7863 mSDsluCounter, 16534 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7876 SdHoareTripleChecker+Valid, 20962 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:57,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7876 Valid, 20962 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 14:03:57,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5199 states. [2023-12-25 14:03:57,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5199 to 2820. [2023-12-25 14:03:57,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2820 states, 2735 states have (on average 1.6182815356489946) internal successors, (4426), 2735 states have internal predecessors, (4426), 83 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2023-12-25 14:03:57,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2820 states and 4592 transitions. [2023-12-25 14:03:57,091 INFO L78 Accepts]: Start accepts. Automaton has 2820 states and 4592 transitions. Word has length 608 [2023-12-25 14:03:57,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:57,091 INFO L495 AbstractCegarLoop]: Abstraction has 2820 states and 4592 transitions. [2023-12-25 14:03:57,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 68.25) internal successors, (546), 8 states have internal predecessors, (546), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 14:03:57,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 4592 transitions. [2023-12-25 14:03:57,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2023-12-25 14:03:57,097 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:57,097 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:57,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-12-25 14:03:57,097 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:57,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:57,098 INFO L85 PathProgramCache]: Analyzing trace with hash -285865207, now seen corresponding path program 1 times [2023-12-25 14:03:57,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:57,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437147366] [2023-12-25 14:03:57,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:57,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:59,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:03:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:59,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:03:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:59,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:03:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:59,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:03:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:59,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:03:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:59,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:03:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:59,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:03:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:59,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:03:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:59,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:03:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:59,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:03:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:59,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:03:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:59,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:03:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:59,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:03:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:59,634 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:03:59,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:59,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437147366] [2023-12-25 14:03:59,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437147366] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:59,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:59,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:03:59,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476610396] [2023-12-25 14:03:59,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:59,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:03:59,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:59,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:03:59,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:03:59,636 INFO L87 Difference]: Start difference. First operand 2820 states and 4592 transitions. Second operand has 4 states, 4 states have (on average 136.5) internal successors, (546), 4 states have internal predecessors, (546), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 14:04:00,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:00,394 INFO L93 Difference]: Finished difference Result 4017 states and 6528 transitions. [2023-12-25 14:04:00,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:00,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 136.5) internal successors, (546), 4 states have internal predecessors, (546), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 608 [2023-12-25 14:04:00,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:00,398 INFO L225 Difference]: With dead ends: 4017 [2023-12-25 14:04:00,398 INFO L226 Difference]: Without dead ends: 2820 [2023-12-25 14:04:00,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:04:00,400 INFO L413 NwaCegarLoop]: 1798 mSDtfsCounter, 2189 mSDsluCounter, 1782 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2194 SdHoareTripleChecker+Valid, 3580 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:00,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2194 Valid, 3580 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 14:04:00,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2820 states. [2023-12-25 14:04:00,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2820 to 2820. [2023-12-25 14:04:00,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2820 states, 2735 states have (on average 1.6179159049360146) internal successors, (4425), 2735 states have internal predecessors, (4425), 83 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2023-12-25 14:04:00,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2820 states and 4591 transitions. [2023-12-25 14:04:00,458 INFO L78 Accepts]: Start accepts. Automaton has 2820 states and 4591 transitions. Word has length 608 [2023-12-25 14:04:00,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:00,458 INFO L495 AbstractCegarLoop]: Abstraction has 2820 states and 4591 transitions. [2023-12-25 14:04:00,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 136.5) internal successors, (546), 4 states have internal predecessors, (546), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 14:04:00,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 4591 transitions. [2023-12-25 14:04:00,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2023-12-25 14:04:00,464 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:00,464 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:00,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-12-25 14:04:00,464 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:00,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:00,464 INFO L85 PathProgramCache]: Analyzing trace with hash -119723097, now seen corresponding path program 1 times [2023-12-25 14:04:00,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:00,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292739793] [2023-12-25 14:04:00,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:00,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:03,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:04:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:03,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:04:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:03,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:04:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:03,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:04:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:03,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:04:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:03,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:04:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:03,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:04:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:03,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:04:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:03,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:04:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:03,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:04:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:03,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:04:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:03,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:03,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:04:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:03,812 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 14:04:03,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:03,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292739793] [2023-12-25 14:04:03,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292739793] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:03,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:03,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 14:04:03,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576535141] [2023-12-25 14:04:03,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:03,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 14:04:03,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:03,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 14:04:03,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-25 14:04:03,814 INFO L87 Difference]: Start difference. First operand 2820 states and 4591 transitions. Second operand has 7 states, 7 states have (on average 78.14285714285714) internal successors, (547), 7 states have internal predecessors, (547), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:04:04,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:04,243 INFO L93 Difference]: Finished difference Result 6573 states and 10673 transitions. [2023-12-25 14:04:04,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 14:04:04,243 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 78.14285714285714) internal successors, (547), 7 states have internal predecessors, (547), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 609 [2023-12-25 14:04:04,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:04,252 INFO L225 Difference]: With dead ends: 6573 [2023-12-25 14:04:04,252 INFO L226 Difference]: Without dead ends: 5376 [2023-12-25 14:04:04,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-12-25 14:04:04,255 INFO L413 NwaCegarLoop]: 3089 mSDtfsCounter, 12788 mSDsluCounter, 10370 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12801 SdHoareTripleChecker+Valid, 13459 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:04,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12801 Valid, 13459 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:04:04,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5376 states. [2023-12-25 14:04:04,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5376 to 3325. [2023-12-25 14:04:04,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6079950418345212) internal successors, (5189), 3227 states have internal predecessors, (5189), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:04:04,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5381 transitions. [2023-12-25 14:04:04,336 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5381 transitions. Word has length 609 [2023-12-25 14:04:04,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:04,336 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5381 transitions. [2023-12-25 14:04:04,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 78.14285714285714) internal successors, (547), 7 states have internal predecessors, (547), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 14:04:04,336 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5381 transitions. [2023-12-25 14:04:04,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1493 [2023-12-25 14:04:04,353 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:04,354 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:04,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-12-25 14:04:04,354 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:04,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:04,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1106128685, now seen corresponding path program 1 times [2023-12-25 14:04:04,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:04,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694535082] [2023-12-25 14:04:04,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:04,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:04:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:04:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:04:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:04:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:04:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:04:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:04:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:04:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:04:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:04:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:04:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:04:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1070 [2023-12-25 14:04:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1084 [2023-12-25 14:04:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1098 [2023-12-25 14:04:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1112 [2023-12-25 14:04:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1130 [2023-12-25 14:04:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1149 [2023-12-25 14:04:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1165 [2023-12-25 14:04:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1181 [2023-12-25 14:04:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1191 [2023-12-25 14:04:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1203 [2023-12-25 14:04:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2023-12-25 14:04:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1227 [2023-12-25 14:04:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1239 [2023-12-25 14:04:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:07,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:07,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:07,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694535082] [2023-12-25 14:04:07,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694535082] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:07,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:07,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:07,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997882078] [2023-12-25 14:04:07,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:07,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:07,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:07,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:07,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:07,810 INFO L87 Difference]: Start difference. First operand 3325 states and 5381 transitions. Second operand has 5 states, 5 states have (on average 273.0) internal successors, (1365), 5 states have internal predecessors, (1365), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:08,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:08,077 INFO L93 Difference]: Finished difference Result 4522 states and 7316 transitions. [2023-12-25 14:04:08,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:08,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 273.0) internal successors, (1365), 5 states have internal predecessors, (1365), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1492 [2023-12-25 14:04:08,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:08,086 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:04:08,086 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:04:08,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:04:08,088 INFO L413 NwaCegarLoop]: 2232 mSDtfsCounter, 3806 mSDsluCounter, 2234 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3819 SdHoareTripleChecker+Valid, 4466 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 14:04:08,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3819 Valid, 4466 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:04:08,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:04:08,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:04:08,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.607685156492098) internal successors, (5188), 3227 states have internal predecessors, (5188), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:04:08,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5380 transitions. [2023-12-25 14:04:08,164 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5380 transitions. Word has length 1492 [2023-12-25 14:04:08,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:08,164 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5380 transitions. [2023-12-25 14:04:08,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 273.0) internal successors, (1365), 5 states have internal predecessors, (1365), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:08,165 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5380 transitions. [2023-12-25 14:04:08,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1494 [2023-12-25 14:04:08,182 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:08,183 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:08,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-12-25 14:04:08,183 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:08,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:08,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1460313861, now seen corresponding path program 1 times [2023-12-25 14:04:08,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:08,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664061594] [2023-12-25 14:04:08,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:08,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:04:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:04:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:04:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:04:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:04:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:04:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:04:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:04:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:04:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:04:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:04:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:04:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1071 [2023-12-25 14:04:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1085 [2023-12-25 14:04:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1099 [2023-12-25 14:04:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1113 [2023-12-25 14:04:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1131 [2023-12-25 14:04:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2023-12-25 14:04:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1166 [2023-12-25 14:04:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2023-12-25 14:04:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1192 [2023-12-25 14:04:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2023-12-25 14:04:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1216 [2023-12-25 14:04:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1228 [2023-12-25 14:04:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1240 [2023-12-25 14:04:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:10,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:10,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:10,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664061594] [2023-12-25 14:04:10,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664061594] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:10,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:10,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:10,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237222967] [2023-12-25 14:04:10,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:10,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:10,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:10,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:10,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:10,861 INFO L87 Difference]: Start difference. First operand 3325 states and 5380 transitions. Second operand has 5 states, 5 states have (on average 273.2) internal successors, (1366), 5 states have internal predecessors, (1366), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:11,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:11,130 INFO L93 Difference]: Finished difference Result 4522 states and 7314 transitions. [2023-12-25 14:04:11,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:11,131 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 273.2) internal successors, (1366), 5 states have internal predecessors, (1366), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1493 [2023-12-25 14:04:11,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:11,134 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:04:11,134 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:04:11,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:04:11,136 INFO L413 NwaCegarLoop]: 2232 mSDtfsCounter, 2058 mSDsluCounter, 2250 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2071 SdHoareTripleChecker+Valid, 4482 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 14:04:11,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2071 Valid, 4482 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:04:11,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:04:11,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:04:11,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6073752711496747) internal successors, (5187), 3227 states have internal predecessors, (5187), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:04:11,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5379 transitions. [2023-12-25 14:04:11,202 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5379 transitions. Word has length 1493 [2023-12-25 14:04:11,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:11,202 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5379 transitions. [2023-12-25 14:04:11,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 273.2) internal successors, (1366), 5 states have internal predecessors, (1366), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:11,203 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5379 transitions. [2023-12-25 14:04:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1495 [2023-12-25 14:04:11,221 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:11,221 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:11,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-12-25 14:04:11,222 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:11,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:11,222 INFO L85 PathProgramCache]: Analyzing trace with hash 904956191, now seen corresponding path program 1 times [2023-12-25 14:04:11,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:11,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472704420] [2023-12-25 14:04:11,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:11,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:04:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:04:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:04:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:04:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:04:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:04:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:04:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:04:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:04:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:04:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:04:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:04:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1072 [2023-12-25 14:04:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1086 [2023-12-25 14:04:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1100 [2023-12-25 14:04:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2023-12-25 14:04:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2023-12-25 14:04:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1151 [2023-12-25 14:04:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2023-12-25 14:04:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1183 [2023-12-25 14:04:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1193 [2023-12-25 14:04:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1205 [2023-12-25 14:04:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1217 [2023-12-25 14:04:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2023-12-25 14:04:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1241 [2023-12-25 14:04:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:13,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:13,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:13,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472704420] [2023-12-25 14:04:13,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472704420] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:13,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:13,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:13,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377490435] [2023-12-25 14:04:13,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:13,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:13,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:13,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:13,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:13,721 INFO L87 Difference]: Start difference. First operand 3325 states and 5379 transitions. Second operand has 5 states, 5 states have (on average 273.4) internal successors, (1367), 5 states have internal predecessors, (1367), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:13,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:13,968 INFO L93 Difference]: Finished difference Result 4522 states and 7312 transitions. [2023-12-25 14:04:13,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:13,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 273.4) internal successors, (1367), 5 states have internal predecessors, (1367), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1494 [2023-12-25 14:04:13,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:13,972 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:04:13,972 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:04:13,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:04:13,973 INFO L413 NwaCegarLoop]: 2232 mSDtfsCounter, 3774 mSDsluCounter, 2234 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3787 SdHoareTripleChecker+Valid, 4466 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 14:04:13,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3787 Valid, 4466 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:04:13,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:04:14,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:04:14,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6070653858072512) internal successors, (5186), 3227 states have internal predecessors, (5186), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:04:14,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5378 transitions. [2023-12-25 14:04:14,043 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5378 transitions. Word has length 1494 [2023-12-25 14:04:14,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:14,043 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5378 transitions. [2023-12-25 14:04:14,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 273.4) internal successors, (1367), 5 states have internal predecessors, (1367), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:14,044 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5378 transitions. [2023-12-25 14:04:14,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1496 [2023-12-25 14:04:14,060 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:14,061 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:14,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-12-25 14:04:14,061 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:14,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:14,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1784091437, now seen corresponding path program 1 times [2023-12-25 14:04:14,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:14,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340428048] [2023-12-25 14:04:14,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:14,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:04:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:04:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:04:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:04:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:04:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:04:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:04:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:04:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:04:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:04:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:04:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:04:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1073 [2023-12-25 14:04:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2023-12-25 14:04:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1101 [2023-12-25 14:04:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2023-12-25 14:04:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1133 [2023-12-25 14:04:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2023-12-25 14:04:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2023-12-25 14:04:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2023-12-25 14:04:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1194 [2023-12-25 14:04:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1206 [2023-12-25 14:04:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1218 [2023-12-25 14:04:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2023-12-25 14:04:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1242 [2023-12-25 14:04:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:16,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:16,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:16,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340428048] [2023-12-25 14:04:16,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340428048] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:16,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:16,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:16,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982380901] [2023-12-25 14:04:16,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:16,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:16,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:16,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:16,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:16,510 INFO L87 Difference]: Start difference. First operand 3325 states and 5378 transitions. Second operand has 5 states, 5 states have (on average 273.6) internal successors, (1368), 5 states have internal predecessors, (1368), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:16,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:16,755 INFO L93 Difference]: Finished difference Result 4522 states and 7310 transitions. [2023-12-25 14:04:16,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:16,756 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 273.6) internal successors, (1368), 5 states have internal predecessors, (1368), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1495 [2023-12-25 14:04:16,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:16,759 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:04:16,759 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:04:16,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:04:16,761 INFO L413 NwaCegarLoop]: 2232 mSDtfsCounter, 3758 mSDsluCounter, 2234 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3771 SdHoareTripleChecker+Valid, 4466 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:16,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3771 Valid, 4466 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:04:16,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:04:16,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:04:16,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.606755500464828) internal successors, (5185), 3227 states have internal predecessors, (5185), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:04:16,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5377 transitions. [2023-12-25 14:04:16,829 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5377 transitions. Word has length 1495 [2023-12-25 14:04:16,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:16,830 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5377 transitions. [2023-12-25 14:04:16,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 273.6) internal successors, (1368), 5 states have internal predecessors, (1368), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:16,830 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5377 transitions. [2023-12-25 14:04:16,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1497 [2023-12-25 14:04:16,890 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:16,895 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:16,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-12-25 14:04:16,895 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:16,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:16,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1656736019, now seen corresponding path program 1 times [2023-12-25 14:04:16,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:16,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179676413] [2023-12-25 14:04:16,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:16,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:04:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:04:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:04:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:04:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:04:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:04:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:04:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:04:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:04:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:04:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:04:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:04:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1074 [2023-12-25 14:04:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1088 [2023-12-25 14:04:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1102 [2023-12-25 14:04:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1116 [2023-12-25 14:04:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1134 [2023-12-25 14:04:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1153 [2023-12-25 14:04:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2023-12-25 14:04:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1185 [2023-12-25 14:04:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2023-12-25 14:04:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1207 [2023-12-25 14:04:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2023-12-25 14:04:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2023-12-25 14:04:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1243 [2023-12-25 14:04:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:19,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:19,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:19,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179676413] [2023-12-25 14:04:19,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179676413] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:19,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:19,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:19,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587363906] [2023-12-25 14:04:19,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:19,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:19,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:19,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:19,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:19,645 INFO L87 Difference]: Start difference. First operand 3325 states and 5377 transitions. Second operand has 5 states, 5 states have (on average 273.8) internal successors, (1369), 5 states have internal predecessors, (1369), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:19,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:19,834 INFO L93 Difference]: Finished difference Result 4522 states and 7308 transitions. [2023-12-25 14:04:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:19,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 273.8) internal successors, (1369), 5 states have internal predecessors, (1369), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1496 [2023-12-25 14:04:19,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:19,837 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:04:19,837 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:04:19,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:04:19,839 INFO L413 NwaCegarLoop]: 2271 mSDtfsCounter, 2028 mSDsluCounter, 2289 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2041 SdHoareTripleChecker+Valid, 4560 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:19,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2041 Valid, 4560 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:04:19,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:04:19,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:04:19,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6064456151224047) internal successors, (5184), 3227 states have internal predecessors, (5184), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:04:19,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5376 transitions. [2023-12-25 14:04:19,903 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5376 transitions. Word has length 1496 [2023-12-25 14:04:19,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:19,904 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5376 transitions. [2023-12-25 14:04:19,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 273.8) internal successors, (1369), 5 states have internal predecessors, (1369), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:19,904 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5376 transitions. [2023-12-25 14:04:19,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1498 [2023-12-25 14:04:19,920 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:19,921 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:19,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-12-25 14:04:19,921 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:19,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:19,921 INFO L85 PathProgramCache]: Analyzing trace with hash -670870115, now seen corresponding path program 1 times [2023-12-25 14:04:19,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:19,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666040248] [2023-12-25 14:04:19,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:19,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:04:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:04:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:04:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:04:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:04:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:04:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:04:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:04:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:04:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:04:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:04:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:04:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1075 [2023-12-25 14:04:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1089 [2023-12-25 14:04:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1103 [2023-12-25 14:04:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1117 [2023-12-25 14:04:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1135 [2023-12-25 14:04:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2023-12-25 14:04:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1170 [2023-12-25 14:04:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2023-12-25 14:04:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1196 [2023-12-25 14:04:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1208 [2023-12-25 14:04:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1220 [2023-12-25 14:04:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1232 [2023-12-25 14:04:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2023-12-25 14:04:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:22,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:22,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:22,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666040248] [2023-12-25 14:04:22,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666040248] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:22,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:22,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:22,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691739898] [2023-12-25 14:04:22,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:22,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:22,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:22,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:22,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:22,637 INFO L87 Difference]: Start difference. First operand 3325 states and 5376 transitions. Second operand has 5 states, 5 states have (on average 274.0) internal successors, (1370), 5 states have internal predecessors, (1370), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:22,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:22,888 INFO L93 Difference]: Finished difference Result 4522 states and 7306 transitions. [2023-12-25 14:04:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:22,889 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 274.0) internal successors, (1370), 5 states have internal predecessors, (1370), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1497 [2023-12-25 14:04:22,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:22,892 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:04:22,892 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:04:22,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:04:22,894 INFO L413 NwaCegarLoop]: 2271 mSDtfsCounter, 3720 mSDsluCounter, 2273 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3733 SdHoareTripleChecker+Valid, 4544 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:22,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3733 Valid, 4544 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:04:22,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:04:22,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:04:22,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6061357297799814) internal successors, (5183), 3227 states have internal predecessors, (5183), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:04:22,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5375 transitions. [2023-12-25 14:04:22,980 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5375 transitions. Word has length 1497 [2023-12-25 14:04:22,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:22,980 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5375 transitions. [2023-12-25 14:04:22,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 274.0) internal successors, (1370), 5 states have internal predecessors, (1370), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:22,980 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5375 transitions. [2023-12-25 14:04:22,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1499 [2023-12-25 14:04:22,996 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:22,997 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:22,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-12-25 14:04:22,997 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:22,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:22,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1556057979, now seen corresponding path program 1 times [2023-12-25 14:04:22,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:22,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762909882] [2023-12-25 14:04:22,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:22,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:04:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:04:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:04:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:04:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:04:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:04:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:04:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:04:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:04:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:04:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:04:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:04:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1076 [2023-12-25 14:04:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1090 [2023-12-25 14:04:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2023-12-25 14:04:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1118 [2023-12-25 14:04:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1136 [2023-12-25 14:04:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1155 [2023-12-25 14:04:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1171 [2023-12-25 14:04:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1187 [2023-12-25 14:04:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1197 [2023-12-25 14:04:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2023-12-25 14:04:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1221 [2023-12-25 14:04:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1233 [2023-12-25 14:04:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2023-12-25 14:04:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:25,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:25,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:25,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762909882] [2023-12-25 14:04:25,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762909882] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:25,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:25,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:25,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360495474] [2023-12-25 14:04:25,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:25,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:25,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:25,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:25,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:25,847 INFO L87 Difference]: Start difference. First operand 3325 states and 5375 transitions. Second operand has 5 states, 5 states have (on average 274.2) internal successors, (1371), 5 states have internal predecessors, (1371), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:04:26,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:26,516 INFO L93 Difference]: Finished difference Result 4522 states and 7304 transitions. [2023-12-25 14:04:26,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:26,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 274.2) internal successors, (1371), 5 states have internal predecessors, (1371), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 1498 [2023-12-25 14:04:26,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:26,521 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:04:26,521 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:04:26,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:04:26,523 INFO L413 NwaCegarLoop]: 1767 mSDtfsCounter, 1919 mSDsluCounter, 1785 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1924 SdHoareTripleChecker+Valid, 3552 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:26,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1924 Valid, 3552 Invalid, 1177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 14:04:26,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:04:26,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:04:26,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6058258444375582) internal successors, (5182), 3227 states have internal predecessors, (5182), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:04:26,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5374 transitions. [2023-12-25 14:04:26,594 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5374 transitions. Word has length 1498 [2023-12-25 14:04:26,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:26,594 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5374 transitions. [2023-12-25 14:04:26,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 274.2) internal successors, (1371), 5 states have internal predecessors, (1371), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:04:26,595 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5374 transitions. [2023-12-25 14:04:26,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1500 [2023-12-25 14:04:26,611 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:26,612 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:26,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-12-25 14:04:26,612 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:26,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:26,613 INFO L85 PathProgramCache]: Analyzing trace with hash 2105988687, now seen corresponding path program 1 times [2023-12-25 14:04:26,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:26,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551495331] [2023-12-25 14:04:26,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:26,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:04:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:04:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:04:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:04:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:04:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:04:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:04:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:04:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:04:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:04:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:04:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:04:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1077 [2023-12-25 14:04:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1091 [2023-12-25 14:04:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2023-12-25 14:04:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1119 [2023-12-25 14:04:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2023-12-25 14:04:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1156 [2023-12-25 14:04:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1172 [2023-12-25 14:04:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1188 [2023-12-25 14:04:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1198 [2023-12-25 14:04:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2023-12-25 14:04:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2023-12-25 14:04:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1234 [2023-12-25 14:04:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1246 [2023-12-25 14:04:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:29,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:29,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551495331] [2023-12-25 14:04:29,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551495331] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:29,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:29,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:29,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718767518] [2023-12-25 14:04:29,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:29,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:29,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:29,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:29,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:29,519 INFO L87 Difference]: Start difference. First operand 3325 states and 5374 transitions. Second operand has 5 states, 5 states have (on average 274.4) internal successors, (1372), 5 states have internal predecessors, (1372), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:29,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:29,760 INFO L93 Difference]: Finished difference Result 4522 states and 7302 transitions. [2023-12-25 14:04:29,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:29,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 274.4) internal successors, (1372), 5 states have internal predecessors, (1372), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1499 [2023-12-25 14:04:29,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:29,764 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:04:29,764 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:04:29,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:04:29,765 INFO L413 NwaCegarLoop]: 2229 mSDtfsCounter, 3594 mSDsluCounter, 2231 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3607 SdHoareTripleChecker+Valid, 4460 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:29,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3607 Valid, 4460 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:04:29,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:04:29,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:04:29,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.605515959095135) internal successors, (5181), 3227 states have internal predecessors, (5181), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:04:29,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5373 transitions. [2023-12-25 14:04:29,830 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5373 transitions. Word has length 1499 [2023-12-25 14:04:29,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:29,831 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5373 transitions. [2023-12-25 14:04:29,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 274.4) internal successors, (1372), 5 states have internal predecessors, (1372), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:29,831 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5373 transitions. [2023-12-25 14:04:29,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1501 [2023-12-25 14:04:29,847 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:29,848 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:29,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-12-25 14:04:29,848 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:29,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:29,849 INFO L85 PathProgramCache]: Analyzing trace with hash -704151059, now seen corresponding path program 1 times [2023-12-25 14:04:29,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:29,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440788328] [2023-12-25 14:04:29,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:29,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:04:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:04:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:04:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:04:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:04:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:04:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:04:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:04:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:04:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:04:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:04:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:04:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2023-12-25 14:04:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1092 [2023-12-25 14:04:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1106 [2023-12-25 14:04:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1120 [2023-12-25 14:04:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1138 [2023-12-25 14:04:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1157 [2023-12-25 14:04:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1173 [2023-12-25 14:04:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1189 [2023-12-25 14:04:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2023-12-25 14:04:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1211 [2023-12-25 14:04:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1223 [2023-12-25 14:04:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1235 [2023-12-25 14:04:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1247 [2023-12-25 14:04:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:32,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:32,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:32,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440788328] [2023-12-25 14:04:32,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440788328] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:32,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:32,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:32,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283533978] [2023-12-25 14:04:32,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:32,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:32,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:32,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:32,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:32,925 INFO L87 Difference]: Start difference. First operand 3325 states and 5373 transitions. Second operand has 5 states, 5 states have (on average 274.6) internal successors, (1373), 5 states have internal predecessors, (1373), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:33,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:33,153 INFO L93 Difference]: Finished difference Result 4522 states and 7300 transitions. [2023-12-25 14:04:33,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:33,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 274.6) internal successors, (1373), 5 states have internal predecessors, (1373), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1500 [2023-12-25 14:04:33,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:33,158 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:04:33,158 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:04:33,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:04:33,160 INFO L413 NwaCegarLoop]: 2229 mSDtfsCounter, 3578 mSDsluCounter, 2231 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3591 SdHoareTripleChecker+Valid, 4460 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:33,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3591 Valid, 4460 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:04:33,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:04:33,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:04:33,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6052060737527114) internal successors, (5180), 3227 states have internal predecessors, (5180), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:04:33,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5372 transitions. [2023-12-25 14:04:33,265 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5372 transitions. Word has length 1500 [2023-12-25 14:04:33,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:33,266 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5372 transitions. [2023-12-25 14:04:33,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 274.6) internal successors, (1373), 5 states have internal predecessors, (1373), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:33,266 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5372 transitions. [2023-12-25 14:04:33,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1502 [2023-12-25 14:04:33,282 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:33,283 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:33,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-12-25 14:04:33,283 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:33,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:33,284 INFO L85 PathProgramCache]: Analyzing trace with hash -638529469, now seen corresponding path program 1 times [2023-12-25 14:04:33,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:33,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422885387] [2023-12-25 14:04:33,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:33,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:04:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:04:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:04:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:04:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:04:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:04:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:04:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:04:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:04:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:04:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:04:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:04:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2023-12-25 14:04:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1093 [2023-12-25 14:04:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1107 [2023-12-25 14:04:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1121 [2023-12-25 14:04:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2023-12-25 14:04:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1158 [2023-12-25 14:04:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1174 [2023-12-25 14:04:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1190 [2023-12-25 14:04:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2023-12-25 14:04:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1212 [2023-12-25 14:04:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1224 [2023-12-25 14:04:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1236 [2023-12-25 14:04:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1248 [2023-12-25 14:04:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:36,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:36,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:36,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422885387] [2023-12-25 14:04:36,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422885387] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:36,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:36,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:36,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096211918] [2023-12-25 14:04:36,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:36,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:36,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:36,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:36,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:36,158 INFO L87 Difference]: Start difference. First operand 3325 states and 5372 transitions. Second operand has 5 states, 5 states have (on average 274.8) internal successors, (1374), 5 states have internal predecessors, (1374), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:36,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:36,393 INFO L93 Difference]: Finished difference Result 4522 states and 7298 transitions. [2023-12-25 14:04:36,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:36,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 274.8) internal successors, (1374), 5 states have internal predecessors, (1374), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1501 [2023-12-25 14:04:36,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:36,398 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:04:36,398 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:04:36,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:04:36,400 INFO L413 NwaCegarLoop]: 2229 mSDtfsCounter, 1944 mSDsluCounter, 2247 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1957 SdHoareTripleChecker+Valid, 4476 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:36,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1957 Valid, 4476 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:04:36,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:04:36,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:04:36,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6048961884102881) internal successors, (5179), 3227 states have internal predecessors, (5179), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:04:36,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5371 transitions. [2023-12-25 14:04:36,521 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5371 transitions. Word has length 1501 [2023-12-25 14:04:36,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:36,521 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5371 transitions. [2023-12-25 14:04:36,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 274.8) internal successors, (1374), 5 states have internal predecessors, (1374), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:36,522 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5371 transitions. [2023-12-25 14:04:36,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1503 [2023-12-25 14:04:36,538 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:36,539 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:36,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-12-25 14:04:36,540 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:36,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:36,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1500361309, now seen corresponding path program 1 times [2023-12-25 14:04:36,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:36,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761392730] [2023-12-25 14:04:36,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:36,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:04:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:04:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:04:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:04:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:04:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:04:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:04:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:04:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:04:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:04:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:04:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:04:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1080 [2023-12-25 14:04:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2023-12-25 14:04:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1108 [2023-12-25 14:04:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2023-12-25 14:04:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1140 [2023-12-25 14:04:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2023-12-25 14:04:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1175 [2023-12-25 14:04:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1191 [2023-12-25 14:04:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1201 [2023-12-25 14:04:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1213 [2023-12-25 14:04:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1225 [2023-12-25 14:04:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1237 [2023-12-25 14:04:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1249 [2023-12-25 14:04:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:39,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:39,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:39,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761392730] [2023-12-25 14:04:39,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761392730] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:39,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:39,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:39,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034235957] [2023-12-25 14:04:39,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:39,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:39,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:39,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:39,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:39,679 INFO L87 Difference]: Start difference. First operand 3325 states and 5371 transitions. Second operand has 5 states, 5 states have (on average 275.0) internal successors, (1375), 5 states have internal predecessors, (1375), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:39,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:39,908 INFO L93 Difference]: Finished difference Result 4522 states and 7296 transitions. [2023-12-25 14:04:39,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:39,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 275.0) internal successors, (1375), 5 states have internal predecessors, (1375), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1502 [2023-12-25 14:04:39,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:39,912 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:04:39,912 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:04:39,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:04:39,913 INFO L413 NwaCegarLoop]: 2229 mSDtfsCounter, 1936 mSDsluCounter, 2247 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 4476 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:39,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1949 Valid, 4476 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:04:39,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:04:39,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:04:39,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6045863030678649) internal successors, (5178), 3227 states have internal predecessors, (5178), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:04:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5370 transitions. [2023-12-25 14:04:39,982 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5370 transitions. Word has length 1502 [2023-12-25 14:04:39,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:39,982 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5370 transitions. [2023-12-25 14:04:39,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 275.0) internal successors, (1375), 5 states have internal predecessors, (1375), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:39,982 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5370 transitions. [2023-12-25 14:04:39,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1504 [2023-12-25 14:04:39,999 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:39,999 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:39,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-12-25 14:04:39,999 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:40,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:40,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1997364661, now seen corresponding path program 1 times [2023-12-25 14:04:40,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:40,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656073205] [2023-12-25 14:04:40,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:40,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:04:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:04:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:04:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:04:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:04:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:04:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:04:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:04:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:04:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:04:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:04:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:04:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1081 [2023-12-25 14:04:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1095 [2023-12-25 14:04:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2023-12-25 14:04:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2023-12-25 14:04:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2023-12-25 14:04:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1160 [2023-12-25 14:04:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1176 [2023-12-25 14:04:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1192 [2023-12-25 14:04:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1202 [2023-12-25 14:04:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2023-12-25 14:04:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1226 [2023-12-25 14:04:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1238 [2023-12-25 14:04:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1250 [2023-12-25 14:04:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:43,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:43,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656073205] [2023-12-25 14:04:43,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656073205] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:43,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:43,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:43,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485548195] [2023-12-25 14:04:43,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:43,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:43,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:43,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:43,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:43,025 INFO L87 Difference]: Start difference. First operand 3325 states and 5370 transitions. Second operand has 5 states, 5 states have (on average 275.2) internal successors, (1376), 5 states have internal predecessors, (1376), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:43,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:43,208 INFO L93 Difference]: Finished difference Result 4522 states and 7294 transitions. [2023-12-25 14:04:43,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:43,208 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 275.2) internal successors, (1376), 5 states have internal predecessors, (1376), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1503 [2023-12-25 14:04:43,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:43,212 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:04:43,212 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:04:43,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:04:43,213 INFO L413 NwaCegarLoop]: 2266 mSDtfsCounter, 1922 mSDsluCounter, 2284 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1935 SdHoareTripleChecker+Valid, 4550 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:43,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1935 Valid, 4550 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:04:43,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:04:43,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:04:43,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6042764177254416) internal successors, (5177), 3227 states have internal predecessors, (5177), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:04:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5369 transitions. [2023-12-25 14:04:43,288 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5369 transitions. Word has length 1503 [2023-12-25 14:04:43,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:43,288 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5369 transitions. [2023-12-25 14:04:43,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 275.2) internal successors, (1376), 5 states have internal predecessors, (1376), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:43,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5369 transitions. [2023-12-25 14:04:43,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1505 [2023-12-25 14:04:43,313 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:43,328 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:43,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-12-25 14:04:43,328 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:43,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:43,328 INFO L85 PathProgramCache]: Analyzing trace with hash -894733041, now seen corresponding path program 1 times [2023-12-25 14:04:43,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:43,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202909657] [2023-12-25 14:04:43,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:43,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:04:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:04:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:04:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:04:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:04:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:04:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:04:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:04:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:04:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:04:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:04:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:04:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1082 [2023-12-25 14:04:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2023-12-25 14:04:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1110 [2023-12-25 14:04:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2023-12-25 14:04:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1142 [2023-12-25 14:04:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1161 [2023-12-25 14:04:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2023-12-25 14:04:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1193 [2023-12-25 14:04:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1203 [2023-12-25 14:04:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2023-12-25 14:04:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1227 [2023-12-25 14:04:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1239 [2023-12-25 14:04:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1251 [2023-12-25 14:04:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:45,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:45,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:45,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202909657] [2023-12-25 14:04:45,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202909657] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:45,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:45,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:45,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014992336] [2023-12-25 14:04:45,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:45,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:45,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:45,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:45,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:45,964 INFO L87 Difference]: Start difference. First operand 3325 states and 5369 transitions. Second operand has 5 states, 5 states have (on average 275.4) internal successors, (1377), 5 states have internal predecessors, (1377), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:46,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:46,204 INFO L93 Difference]: Finished difference Result 4522 states and 7292 transitions. [2023-12-25 14:04:46,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:46,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 275.4) internal successors, (1377), 5 states have internal predecessors, (1377), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1504 [2023-12-25 14:04:46,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:46,208 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:04:46,208 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:04:46,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:04:46,209 INFO L413 NwaCegarLoop]: 2266 mSDtfsCounter, 3508 mSDsluCounter, 2268 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3521 SdHoareTripleChecker+Valid, 4534 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:46,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3521 Valid, 4534 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:04:46,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:04:46,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:04:46,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6039665323830183) internal successors, (5176), 3227 states have internal predecessors, (5176), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:04:46,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5368 transitions. [2023-12-25 14:04:46,276 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5368 transitions. Word has length 1504 [2023-12-25 14:04:46,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:46,277 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5368 transitions. [2023-12-25 14:04:46,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 275.4) internal successors, (1377), 5 states have internal predecessors, (1377), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:46,277 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5368 transitions. [2023-12-25 14:04:46,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1506 [2023-12-25 14:04:46,322 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:46,323 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:46,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-12-25 14:04:46,323 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:46,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:46,323 INFO L85 PathProgramCache]: Analyzing trace with hash 928721705, now seen corresponding path program 1 times [2023-12-25 14:04:46,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:46,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958247728] [2023-12-25 14:04:46,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:46,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:04:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:04:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:04:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:04:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:04:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:04:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:04:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:04:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:04:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:04:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:04:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:04:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1083 [2023-12-25 14:04:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1097 [2023-12-25 14:04:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1111 [2023-12-25 14:04:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1125 [2023-12-25 14:04:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1143 [2023-12-25 14:04:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1162 [2023-12-25 14:04:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1178 [2023-12-25 14:04:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1194 [2023-12-25 14:04:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2023-12-25 14:04:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1216 [2023-12-25 14:04:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1228 [2023-12-25 14:04:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1240 [2023-12-25 14:04:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1252 [2023-12-25 14:04:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:49,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:49,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:49,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958247728] [2023-12-25 14:04:49,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958247728] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:49,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:49,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:49,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347150751] [2023-12-25 14:04:49,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:49,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:49,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:49,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:49,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:49,334 INFO L87 Difference]: Start difference. First operand 3325 states and 5368 transitions. Second operand has 5 states, 5 states have (on average 275.6) internal successors, (1378), 5 states have internal predecessors, (1378), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:04:50,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:50,104 INFO L93 Difference]: Finished difference Result 4522 states and 7290 transitions. [2023-12-25 14:04:50,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:50,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 275.6) internal successors, (1378), 5 states have internal predecessors, (1378), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 1505 [2023-12-25 14:04:50,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:50,108 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:04:50,108 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:04:50,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:04:50,111 INFO L413 NwaCegarLoop]: 1761 mSDtfsCounter, 3399 mSDsluCounter, 1763 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3404 SdHoareTripleChecker+Valid, 3524 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:50,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3404 Valid, 3524 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 14:04:50,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:04:50,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:04:50,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.603656647040595) internal successors, (5175), 3227 states have internal predecessors, (5175), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:04:50,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5367 transitions. [2023-12-25 14:04:50,225 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5367 transitions. Word has length 1505 [2023-12-25 14:04:50,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:50,226 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5367 transitions. [2023-12-25 14:04:50,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 275.6) internal successors, (1378), 5 states have internal predecessors, (1378), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:04:50,226 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5367 transitions. [2023-12-25 14:04:50,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1507 [2023-12-25 14:04:50,242 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:50,242 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:50,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-12-25 14:04:50,243 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:50,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:50,243 INFO L85 PathProgramCache]: Analyzing trace with hash 343453183, now seen corresponding path program 1 times [2023-12-25 14:04:50,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:50,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803119887] [2023-12-25 14:04:50,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:50,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:04:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:04:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:04:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:04:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:04:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:04:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:04:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:04:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:04:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:04:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:04:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:04:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1084 [2023-12-25 14:04:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1098 [2023-12-25 14:04:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1112 [2023-12-25 14:04:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1126 [2023-12-25 14:04:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1144 [2023-12-25 14:04:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1163 [2023-12-25 14:04:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1179 [2023-12-25 14:04:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2023-12-25 14:04:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1205 [2023-12-25 14:04:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1217 [2023-12-25 14:04:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2023-12-25 14:04:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1241 [2023-12-25 14:04:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1253 [2023-12-25 14:04:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:52,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:52,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:52,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803119887] [2023-12-25 14:04:52,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803119887] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:52,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:52,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:52,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964321119] [2023-12-25 14:04:52,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:52,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:52,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:52,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:52,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:52,896 INFO L87 Difference]: Start difference. First operand 3325 states and 5367 transitions. Second operand has 5 states, 5 states have (on average 275.8) internal successors, (1379), 5 states have internal predecessors, (1379), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:53,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:53,127 INFO L93 Difference]: Finished difference Result 4522 states and 7288 transitions. [2023-12-25 14:04:53,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:53,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 275.8) internal successors, (1379), 5 states have internal predecessors, (1379), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1506 [2023-12-25 14:04:53,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:53,132 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:04:53,132 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:04:53,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:04:53,133 INFO L413 NwaCegarLoop]: 2226 mSDtfsCounter, 3382 mSDsluCounter, 2228 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3395 SdHoareTripleChecker+Valid, 4454 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:53,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3395 Valid, 4454 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:04:53,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:04:53,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:04:53,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6033467616981716) internal successors, (5174), 3227 states have internal predecessors, (5174), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:04:53,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5366 transitions. [2023-12-25 14:04:53,216 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5366 transitions. Word has length 1506 [2023-12-25 14:04:53,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:53,216 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5366 transitions. [2023-12-25 14:04:53,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 275.8) internal successors, (1379), 5 states have internal predecessors, (1379), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:53,217 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5366 transitions. [2023-12-25 14:04:53,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1508 [2023-12-25 14:04:53,233 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:53,233 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:53,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-12-25 14:04:53,234 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:53,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:53,234 INFO L85 PathProgramCache]: Analyzing trace with hash -10655215, now seen corresponding path program 1 times [2023-12-25 14:04:53,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:53,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269525065] [2023-12-25 14:04:53,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:53,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:04:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:04:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:04:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:04:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:04:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:04:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:04:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:04:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:04:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:04:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:04:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:04:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1085 [2023-12-25 14:04:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1099 [2023-12-25 14:04:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1113 [2023-12-25 14:04:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1127 [2023-12-25 14:04:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1145 [2023-12-25 14:04:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1164 [2023-12-25 14:04:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1180 [2023-12-25 14:04:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1196 [2023-12-25 14:04:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1206 [2023-12-25 14:04:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1218 [2023-12-25 14:04:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2023-12-25 14:04:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1242 [2023-12-25 14:04:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1254 [2023-12-25 14:04:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:55,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:55,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:55,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269525065] [2023-12-25 14:04:55,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269525065] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:55,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:55,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:55,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231580945] [2023-12-25 14:04:55,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:55,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:55,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:55,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:55,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:55,916 INFO L87 Difference]: Start difference. First operand 3325 states and 5366 transitions. Second operand has 5 states, 5 states have (on average 276.0) internal successors, (1380), 5 states have internal predecessors, (1380), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:56,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:56,152 INFO L93 Difference]: Finished difference Result 4522 states and 7286 transitions. [2023-12-25 14:04:56,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:56,153 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 276.0) internal successors, (1380), 5 states have internal predecessors, (1380), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1507 [2023-12-25 14:04:56,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:56,157 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:04:56,157 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:04:56,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:04:56,158 INFO L413 NwaCegarLoop]: 2226 mSDtfsCounter, 1846 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1859 SdHoareTripleChecker+Valid, 4470 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:56,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1859 Valid, 4470 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:04:56,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:04:56,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:04:56,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6030368763557483) internal successors, (5173), 3227 states have internal predecessors, (5173), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:04:56,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5365 transitions. [2023-12-25 14:04:56,227 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5365 transitions. Word has length 1507 [2023-12-25 14:04:56,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:56,227 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5365 transitions. [2023-12-25 14:04:56,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 276.0) internal successors, (1380), 5 states have internal predecessors, (1380), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:56,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5365 transitions. [2023-12-25 14:04:56,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1509 [2023-12-25 14:04:56,244 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:56,245 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:56,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-12-25 14:04:56,245 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:56,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:56,245 INFO L85 PathProgramCache]: Analyzing trace with hash -393630095, now seen corresponding path program 1 times [2023-12-25 14:04:56,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:56,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716035672] [2023-12-25 14:04:56,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:56,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:04:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:04:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:04:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:04:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:04:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:04:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:04:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:04:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:04:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:04:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:04:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:04:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1086 [2023-12-25 14:04:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1100 [2023-12-25 14:04:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2023-12-25 14:04:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1128 [2023-12-25 14:04:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1146 [2023-12-25 14:04:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1165 [2023-12-25 14:04:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1181 [2023-12-25 14:04:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1197 [2023-12-25 14:04:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1207 [2023-12-25 14:04:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2023-12-25 14:04:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2023-12-25 14:04:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1243 [2023-12-25 14:04:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2023-12-25 14:04:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:58,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:58,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:58,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716035672] [2023-12-25 14:04:58,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716035672] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:58,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:58,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:58,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380895179] [2023-12-25 14:04:58,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:58,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:58,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:58,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:58,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:58,814 INFO L87 Difference]: Start difference. First operand 3325 states and 5365 transitions. Second operand has 5 states, 5 states have (on average 276.2) internal successors, (1381), 5 states have internal predecessors, (1381), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:59,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:59,041 INFO L93 Difference]: Finished difference Result 4522 states and 7284 transitions. [2023-12-25 14:04:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:59,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 276.2) internal successors, (1381), 5 states have internal predecessors, (1381), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1508 [2023-12-25 14:04:59,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:59,045 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:04:59,045 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:04:59,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:04:59,046 INFO L413 NwaCegarLoop]: 2226 mSDtfsCounter, 3350 mSDsluCounter, 2228 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3363 SdHoareTripleChecker+Valid, 4454 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:59,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3363 Valid, 4454 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:04:59,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:04:59,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:04:59,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.602726991013325) internal successors, (5172), 3227 states have internal predecessors, (5172), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:04:59,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5364 transitions. [2023-12-25 14:04:59,116 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5364 transitions. Word has length 1508 [2023-12-25 14:04:59,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:59,116 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5364 transitions. [2023-12-25 14:04:59,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 276.2) internal successors, (1381), 5 states have internal predecessors, (1381), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:59,117 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5364 transitions. [2023-12-25 14:04:59,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1510 [2023-12-25 14:04:59,133 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:59,134 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:59,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-12-25 14:04:59,134 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:59,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:59,134 INFO L85 PathProgramCache]: Analyzing trace with hash 471761347, now seen corresponding path program 1 times [2023-12-25 14:04:59,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:59,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377950805] [2023-12-25 14:04:59,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:59,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:05:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:05:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:05:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:05:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:05:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:05:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:05:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:05:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:05:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:05:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:05:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:05:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:05:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:05:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2023-12-25 14:05:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1101 [2023-12-25 14:05:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2023-12-25 14:05:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1129 [2023-12-25 14:05:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1147 [2023-12-25 14:05:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1166 [2023-12-25 14:05:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2023-12-25 14:05:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1198 [2023-12-25 14:05:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1208 [2023-12-25 14:05:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1220 [2023-12-25 14:05:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1232 [2023-12-25 14:05:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2023-12-25 14:05:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1256 [2023-12-25 14:05:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:05:02,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:05:02,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377950805] [2023-12-25 14:05:02,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377950805] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:05:02,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:05:02,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:05:02,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914437391] [2023-12-25 14:05:02,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:05:02,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:05:02,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:05:02,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:05:02,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:05:02,113 INFO L87 Difference]: Start difference. First operand 3325 states and 5364 transitions. Second operand has 5 states, 5 states have (on average 276.4) internal successors, (1382), 5 states have internal predecessors, (1382), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:02,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:05:02,385 INFO L93 Difference]: Finished difference Result 4522 states and 7282 transitions. [2023-12-25 14:05:02,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:05:02,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 276.4) internal successors, (1382), 5 states have internal predecessors, (1382), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1509 [2023-12-25 14:05:02,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:05:02,390 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:05:02,390 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:05:02,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:05:02,391 INFO L413 NwaCegarLoop]: 2226 mSDtfsCounter, 1830 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1843 SdHoareTripleChecker+Valid, 4470 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:05:02,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1843 Valid, 4470 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:05:02,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:05:02,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:05:02,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6024171056709018) internal successors, (5171), 3227 states have internal predecessors, (5171), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:05:02,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5363 transitions. [2023-12-25 14:05:02,470 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5363 transitions. Word has length 1509 [2023-12-25 14:05:02,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:05:02,471 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5363 transitions. [2023-12-25 14:05:02,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 276.4) internal successors, (1382), 5 states have internal predecessors, (1382), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:02,471 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5363 transitions. [2023-12-25 14:05:02,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1511 [2023-12-25 14:05:02,488 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:05:02,488 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:02,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-12-25 14:05:02,488 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:05:02,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:05:02,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1265468133, now seen corresponding path program 1 times [2023-12-25 14:05:02,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:05:02,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192794945] [2023-12-25 14:05:02,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:05:02,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:05:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:05:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:05:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:05:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:05:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:05:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:05:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:05:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:05:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:05:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:05:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:05:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:05:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:05:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1088 [2023-12-25 14:05:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1102 [2023-12-25 14:05:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1116 [2023-12-25 14:05:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1130 [2023-12-25 14:05:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1148 [2023-12-25 14:05:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2023-12-25 14:05:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1183 [2023-12-25 14:05:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2023-12-25 14:05:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2023-12-25 14:05:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1221 [2023-12-25 14:05:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1233 [2023-12-25 14:05:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2023-12-25 14:05:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1257 [2023-12-25 14:05:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:05,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:05:05,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:05:05,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192794945] [2023-12-25 14:05:05,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192794945] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:05:05,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:05:05,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:05:05,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344051613] [2023-12-25 14:05:05,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:05:05,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:05:05,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:05:05,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:05:05,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:05:05,637 INFO L87 Difference]: Start difference. First operand 3325 states and 5363 transitions. Second operand has 5 states, 5 states have (on average 276.6) internal successors, (1383), 5 states have internal predecessors, (1383), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:05,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:05:05,839 INFO L93 Difference]: Finished difference Result 4522 states and 7280 transitions. [2023-12-25 14:05:05,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:05:05,840 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 276.6) internal successors, (1383), 5 states have internal predecessors, (1383), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1510 [2023-12-25 14:05:05,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:05:05,844 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:05:05,844 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:05:05,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:05:05,846 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 1816 mSDsluCounter, 2279 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1829 SdHoareTripleChecker+Valid, 4540 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:05:05,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1829 Valid, 4540 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:05:05,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:05:05,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:05:05,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6021072203284785) internal successors, (5170), 3227 states have internal predecessors, (5170), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:05:05,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5362 transitions. [2023-12-25 14:05:05,916 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5362 transitions. Word has length 1510 [2023-12-25 14:05:05,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:05:05,917 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5362 transitions. [2023-12-25 14:05:05,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 276.6) internal successors, (1383), 5 states have internal predecessors, (1383), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:05,917 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5362 transitions. [2023-12-25 14:05:05,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1512 [2023-12-25 14:05:05,935 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:05:05,936 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:05,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-12-25 14:05:05,936 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:05:05,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:05:05,936 INFO L85 PathProgramCache]: Analyzing trace with hash -556008525, now seen corresponding path program 1 times [2023-12-25 14:05:05,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:05:05,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886379858] [2023-12-25 14:05:05,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:05:05,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:05:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:05:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:05:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:05:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:05:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:05:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:05:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:05:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:05:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:05:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:05:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:05:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:05:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:05:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1089 [2023-12-25 14:05:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1103 [2023-12-25 14:05:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1117 [2023-12-25 14:05:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1131 [2023-12-25 14:05:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1149 [2023-12-25 14:05:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2023-12-25 14:05:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2023-12-25 14:05:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2023-12-25 14:05:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2023-12-25 14:05:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2023-12-25 14:05:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1234 [2023-12-25 14:05:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1246 [2023-12-25 14:05:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1258 [2023-12-25 14:05:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:08,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:05:08,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:05:08,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886379858] [2023-12-25 14:05:08,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886379858] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:05:08,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:05:08,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:05:08,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968255858] [2023-12-25 14:05:08,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:05:08,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:05:08,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:05:08,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:05:08,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:05:08,651 INFO L87 Difference]: Start difference. First operand 3325 states and 5362 transitions. Second operand has 5 states, 5 states have (on average 276.8) internal successors, (1384), 5 states have internal predecessors, (1384), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:08,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:05:08,822 INFO L93 Difference]: Finished difference Result 4522 states and 7278 transitions. [2023-12-25 14:05:08,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:05:08,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 276.8) internal successors, (1384), 5 states have internal predecessors, (1384), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1511 [2023-12-25 14:05:08,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:05:08,827 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:05:08,827 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:05:08,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:05:08,837 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 3296 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 4524 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:05:08,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3309 Valid, 4524 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:05:08,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:05:08,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:05:08,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6017973349860553) internal successors, (5169), 3227 states have internal predecessors, (5169), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:05:08,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5361 transitions. [2023-12-25 14:05:08,941 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5361 transitions. Word has length 1511 [2023-12-25 14:05:08,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:05:08,942 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5361 transitions. [2023-12-25 14:05:08,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 276.8) internal successors, (1384), 5 states have internal predecessors, (1384), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:08,942 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5361 transitions. [2023-12-25 14:05:08,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1513 [2023-12-25 14:05:08,958 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:05:08,960 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:08,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2023-12-25 14:05:08,960 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:05:08,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:05:08,960 INFO L85 PathProgramCache]: Analyzing trace with hash 241373399, now seen corresponding path program 1 times [2023-12-25 14:05:08,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:05:08,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59744964] [2023-12-25 14:05:08,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:05:08,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:05:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:05:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:05:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:05:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:05:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:05:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:05:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:05:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:05:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:05:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:05:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:05:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:05:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:05:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1090 [2023-12-25 14:05:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2023-12-25 14:05:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1118 [2023-12-25 14:05:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2023-12-25 14:05:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2023-12-25 14:05:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2023-12-25 14:05:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1185 [2023-12-25 14:05:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1201 [2023-12-25 14:05:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1211 [2023-12-25 14:05:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1223 [2023-12-25 14:05:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1235 [2023-12-25 14:05:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1247 [2023-12-25 14:05:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2023-12-25 14:05:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:11,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:05:11,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:05:11,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59744964] [2023-12-25 14:05:11,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59744964] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:05:11,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:05:11,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:05:11,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947609792] [2023-12-25 14:05:11,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:05:11,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:05:11,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:05:11,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:05:11,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:05:11,763 INFO L87 Difference]: Start difference. First operand 3325 states and 5361 transitions. Second operand has 5 states, 5 states have (on average 277.0) internal successors, (1385), 5 states have internal predecessors, (1385), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:05:12,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:05:12,456 INFO L93 Difference]: Finished difference Result 4522 states and 7276 transitions. [2023-12-25 14:05:12,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:05:12,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 277.0) internal successors, (1385), 5 states have internal predecessors, (1385), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 1512 [2023-12-25 14:05:12,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:05:12,464 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:05:12,464 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:05:12,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:05:12,466 INFO L413 NwaCegarLoop]: 1755 mSDtfsCounter, 1707 mSDsluCounter, 1773 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1712 SdHoareTripleChecker+Valid, 3528 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 14:05:12,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1712 Valid, 3528 Invalid, 1173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 14:05:12,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:05:12,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:05:12,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6014874496436318) internal successors, (5168), 3227 states have internal predecessors, (5168), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:05:12,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5360 transitions. [2023-12-25 14:05:12,567 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5360 transitions. Word has length 1512 [2023-12-25 14:05:12,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:05:12,567 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5360 transitions. [2023-12-25 14:05:12,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 277.0) internal successors, (1385), 5 states have internal predecessors, (1385), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:05:12,568 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5360 transitions. [2023-12-25 14:05:12,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1514 [2023-12-25 14:05:12,588 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:05:12,588 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:12,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-12-25 14:05:12,589 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:05:12,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:05:12,589 INFO L85 PathProgramCache]: Analyzing trace with hash -820731419, now seen corresponding path program 1 times [2023-12-25 14:05:12,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:05:12,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951419429] [2023-12-25 14:05:12,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:05:12,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:05:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:05:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:05:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:05:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:05:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:05:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:05:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:05:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:05:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:05:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:05:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:05:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:05:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:05:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1091 [2023-12-25 14:05:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2023-12-25 14:05:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1119 [2023-12-25 14:05:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1133 [2023-12-25 14:05:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1151 [2023-12-25 14:05:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1170 [2023-12-25 14:05:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2023-12-25 14:05:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1202 [2023-12-25 14:05:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1212 [2023-12-25 14:05:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1224 [2023-12-25 14:05:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1236 [2023-12-25 14:05:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1248 [2023-12-25 14:05:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2023-12-25 14:05:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:15,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:05:15,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:05:15,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951419429] [2023-12-25 14:05:15,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951419429] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:05:15,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:05:15,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:05:15,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884353511] [2023-12-25 14:05:15,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:05:15,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:05:15,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:05:15,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:05:15,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:05:15,329 INFO L87 Difference]: Start difference. First operand 3325 states and 5360 transitions. Second operand has 5 states, 5 states have (on average 277.2) internal successors, (1386), 5 states have internal predecessors, (1386), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:15,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:05:15,557 INFO L93 Difference]: Finished difference Result 4522 states and 7274 transitions. [2023-12-25 14:05:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:05:15,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 277.2) internal successors, (1386), 5 states have internal predecessors, (1386), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1513 [2023-12-25 14:05:15,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:05:15,561 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:05:15,561 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:05:15,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:05:15,563 INFO L413 NwaCegarLoop]: 2223 mSDtfsCounter, 3170 mSDsluCounter, 2225 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3183 SdHoareTripleChecker+Valid, 4448 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:05:15,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3183 Valid, 4448 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:05:15,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:05:15,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:05:15,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6011775643012085) internal successors, (5167), 3227 states have internal predecessors, (5167), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:05:15,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5359 transitions. [2023-12-25 14:05:15,633 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5359 transitions. Word has length 1513 [2023-12-25 14:05:15,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:05:15,633 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5359 transitions. [2023-12-25 14:05:15,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 277.2) internal successors, (1386), 5 states have internal predecessors, (1386), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:15,634 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5359 transitions. [2023-12-25 14:05:15,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1515 [2023-12-25 14:05:15,650 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:05:15,650 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:15,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2023-12-25 14:05:15,650 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:05:15,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:05:15,651 INFO L85 PathProgramCache]: Analyzing trace with hash -802643265, now seen corresponding path program 1 times [2023-12-25 14:05:15,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:05:15,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289898837] [2023-12-25 14:05:15,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:05:15,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:05:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:05:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:05:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:05:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:05:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:05:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:05:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:05:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:05:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:05:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:05:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:05:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:05:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:05:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1092 [2023-12-25 14:05:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1106 [2023-12-25 14:05:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1120 [2023-12-25 14:05:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1134 [2023-12-25 14:05:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2023-12-25 14:05:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1171 [2023-12-25 14:05:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1187 [2023-12-25 14:05:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1203 [2023-12-25 14:05:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1213 [2023-12-25 14:05:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1225 [2023-12-25 14:05:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1237 [2023-12-25 14:05:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1249 [2023-12-25 14:05:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1261 [2023-12-25 14:05:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:18,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:05:18,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:05:18,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289898837] [2023-12-25 14:05:18,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289898837] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:05:18,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:05:18,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:05:18,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850981565] [2023-12-25 14:05:18,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:05:18,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:05:18,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:05:18,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:05:18,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:05:18,267 INFO L87 Difference]: Start difference. First operand 3325 states and 5359 transitions. Second operand has 5 states, 5 states have (on average 277.4) internal successors, (1387), 5 states have internal predecessors, (1387), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:18,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:05:18,494 INFO L93 Difference]: Finished difference Result 4522 states and 7272 transitions. [2023-12-25 14:05:18,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:05:18,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 277.4) internal successors, (1387), 5 states have internal predecessors, (1387), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1514 [2023-12-25 14:05:18,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:05:18,499 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:05:18,499 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:05:18,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:05:18,501 INFO L413 NwaCegarLoop]: 2223 mSDtfsCounter, 1740 mSDsluCounter, 2241 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1753 SdHoareTripleChecker+Valid, 4464 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:05:18,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1753 Valid, 4464 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:05:18,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:05:18,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:05:18,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6008676789587852) internal successors, (5166), 3227 states have internal predecessors, (5166), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:05:18,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5358 transitions. [2023-12-25 14:05:18,634 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5358 transitions. Word has length 1514 [2023-12-25 14:05:18,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:05:18,634 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5358 transitions. [2023-12-25 14:05:18,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 277.4) internal successors, (1387), 5 states have internal predecessors, (1387), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:18,634 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5358 transitions. [2023-12-25 14:05:18,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1516 [2023-12-25 14:05:18,650 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:05:18,651 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:18,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-12-25 14:05:18,651 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:05:18,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:05:18,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1542238041, now seen corresponding path program 1 times [2023-12-25 14:05:18,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:05:18,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662468375] [2023-12-25 14:05:18,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:05:18,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:05:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:05:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:05:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:05:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:05:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:05:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:05:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:05:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:05:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:05:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:05:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:05:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:05:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:05:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1093 [2023-12-25 14:05:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1107 [2023-12-25 14:05:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1121 [2023-12-25 14:05:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1135 [2023-12-25 14:05:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1153 [2023-12-25 14:05:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1172 [2023-12-25 14:05:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1188 [2023-12-25 14:05:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2023-12-25 14:05:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2023-12-25 14:05:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1226 [2023-12-25 14:05:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1238 [2023-12-25 14:05:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1250 [2023-12-25 14:05:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1262 [2023-12-25 14:05:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:21,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:05:21,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:05:21,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662468375] [2023-12-25 14:05:21,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662468375] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:05:21,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:05:21,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:05:21,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848490408] [2023-12-25 14:05:21,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:05:21,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:05:21,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:05:21,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:05:21,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:05:21,372 INFO L87 Difference]: Start difference. First operand 3325 states and 5358 transitions. Second operand has 5 states, 5 states have (on average 277.6) internal successors, (1388), 5 states have internal predecessors, (1388), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:21,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:05:21,582 INFO L93 Difference]: Finished difference Result 4522 states and 7270 transitions. [2023-12-25 14:05:21,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:05:21,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 277.6) internal successors, (1388), 5 states have internal predecessors, (1388), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1515 [2023-12-25 14:05:21,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:05:21,586 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:05:21,586 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:05:21,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:05:21,588 INFO L413 NwaCegarLoop]: 2223 mSDtfsCounter, 3138 mSDsluCounter, 2225 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 4448 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:05:21,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3151 Valid, 4448 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:05:21,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:05:21,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:05:21,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.600557793616362) internal successors, (5165), 3227 states have internal predecessors, (5165), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:05:21,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5357 transitions. [2023-12-25 14:05:21,656 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5357 transitions. Word has length 1515 [2023-12-25 14:05:21,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:05:21,657 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5357 transitions. [2023-12-25 14:05:21,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 277.6) internal successors, (1388), 5 states have internal predecessors, (1388), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:21,657 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5357 transitions. [2023-12-25 14:05:21,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1517 [2023-12-25 14:05:21,673 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:05:21,674 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:21,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2023-12-25 14:05:21,674 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:05:21,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:05:21,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1756468305, now seen corresponding path program 1 times [2023-12-25 14:05:21,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:05:21,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608738773] [2023-12-25 14:05:21,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:05:21,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:05:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:05:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:05:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:05:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:05:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:05:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:05:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:05:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:05:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:05:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:05:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:05:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:05:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:05:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2023-12-25 14:05:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1108 [2023-12-25 14:05:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2023-12-25 14:05:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1136 [2023-12-25 14:05:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2023-12-25 14:05:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1173 [2023-12-25 14:05:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1189 [2023-12-25 14:05:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1205 [2023-12-25 14:05:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2023-12-25 14:05:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1227 [2023-12-25 14:05:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1239 [2023-12-25 14:05:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1251 [2023-12-25 14:05:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1263 [2023-12-25 14:05:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:24,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:05:24,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:05:24,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608738773] [2023-12-25 14:05:24,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608738773] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:05:24,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:05:24,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:05:24,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424110560] [2023-12-25 14:05:24,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:05:24,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:05:24,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:05:24,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:05:24,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:05:24,474 INFO L87 Difference]: Start difference. First operand 3325 states and 5357 transitions. Second operand has 5 states, 5 states have (on average 277.8) internal successors, (1389), 5 states have internal predecessors, (1389), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:24,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:05:24,701 INFO L93 Difference]: Finished difference Result 4522 states and 7268 transitions. [2023-12-25 14:05:24,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:05:24,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 277.8) internal successors, (1389), 5 states have internal predecessors, (1389), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1516 [2023-12-25 14:05:24,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:05:24,705 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:05:24,705 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:05:24,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:05:24,707 INFO L413 NwaCegarLoop]: 2223 mSDtfsCounter, 3122 mSDsluCounter, 2225 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3135 SdHoareTripleChecker+Valid, 4448 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:05:24,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3135 Valid, 4448 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:05:24,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:05:24,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:05:24,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.6002479082739387) internal successors, (5164), 3227 states have internal predecessors, (5164), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:05:24,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5356 transitions. [2023-12-25 14:05:24,776 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5356 transitions. Word has length 1516 [2023-12-25 14:05:24,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:05:24,777 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5356 transitions. [2023-12-25 14:05:24,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 277.8) internal successors, (1389), 5 states have internal predecessors, (1389), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:24,777 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5356 transitions. [2023-12-25 14:05:24,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1518 [2023-12-25 14:05:24,793 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:05:24,794 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:24,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2023-12-25 14:05:24,794 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:05:24,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:05:24,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1557667253, now seen corresponding path program 1 times [2023-12-25 14:05:24,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:05:24,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39953489] [2023-12-25 14:05:24,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:05:24,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:05:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:05:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:05:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:05:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:05:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:05:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:05:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:05:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:05:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:05:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:05:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:05:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:05:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:05:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1095 [2023-12-25 14:05:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2023-12-25 14:05:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2023-12-25 14:05:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2023-12-25 14:05:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1155 [2023-12-25 14:05:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1174 [2023-12-25 14:05:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1190 [2023-12-25 14:05:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1206 [2023-12-25 14:05:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1216 [2023-12-25 14:05:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1228 [2023-12-25 14:05:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1240 [2023-12-25 14:05:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1252 [2023-12-25 14:05:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1264 [2023-12-25 14:05:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:28,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:05:28,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:05:28,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39953489] [2023-12-25 14:05:28,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39953489] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:05:28,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:05:28,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:05:28,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499382012] [2023-12-25 14:05:28,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:05:28,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:05:28,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:05:28,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:05:28,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:05:28,071 INFO L87 Difference]: Start difference. First operand 3325 states and 5356 transitions. Second operand has 5 states, 5 states have (on average 278.0) internal successors, (1390), 5 states have internal predecessors, (1390), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:28,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:05:28,374 INFO L93 Difference]: Finished difference Result 4522 states and 7266 transitions. [2023-12-25 14:05:28,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:05:28,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 278.0) internal successors, (1390), 5 states have internal predecessors, (1390), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1517 [2023-12-25 14:05:28,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:05:28,380 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:05:28,380 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:05:28,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:05:28,394 INFO L413 NwaCegarLoop]: 2256 mSDtfsCounter, 3100 mSDsluCounter, 2258 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3113 SdHoareTripleChecker+Valid, 4514 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:05:28,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3113 Valid, 4514 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:05:28,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:05:28,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:05:28,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.5999380229315154) internal successors, (5163), 3227 states have internal predecessors, (5163), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:05:28,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5355 transitions. [2023-12-25 14:05:28,470 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5355 transitions. Word has length 1517 [2023-12-25 14:05:28,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:05:28,471 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5355 transitions. [2023-12-25 14:05:28,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 278.0) internal successors, (1390), 5 states have internal predecessors, (1390), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:28,471 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5355 transitions. [2023-12-25 14:05:28,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1519 [2023-12-25 14:05:28,488 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:05:28,489 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:28,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2023-12-25 14:05:28,490 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:05:28,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:05:28,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1029212959, now seen corresponding path program 1 times [2023-12-25 14:05:28,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:05:28,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613032029] [2023-12-25 14:05:28,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:05:28,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:05:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:05:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:05:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:05:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:05:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:05:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:05:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:05:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:05:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:05:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:05:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:05:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:05:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:05:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2023-12-25 14:05:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1110 [2023-12-25 14:05:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2023-12-25 14:05:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1138 [2023-12-25 14:05:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1156 [2023-12-25 14:05:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1175 [2023-12-25 14:05:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1191 [2023-12-25 14:05:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1207 [2023-12-25 14:05:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1217 [2023-12-25 14:05:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2023-12-25 14:05:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1241 [2023-12-25 14:05:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1253 [2023-12-25 14:05:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1265 [2023-12-25 14:05:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:31,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:05:31,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:05:31,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613032029] [2023-12-25 14:05:31,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613032029] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:05:31,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:05:31,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:05:31,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722065504] [2023-12-25 14:05:31,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:05:31,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:05:31,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:05:31,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:05:31,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:05:31,182 INFO L87 Difference]: Start difference. First operand 3325 states and 5355 transitions. Second operand has 5 states, 5 states have (on average 278.2) internal successors, (1391), 5 states have internal predecessors, (1391), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:31,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:05:31,497 INFO L93 Difference]: Finished difference Result 4522 states and 7264 transitions. [2023-12-25 14:05:31,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:05:31,498 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 278.2) internal successors, (1391), 5 states have internal predecessors, (1391), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1518 [2023-12-25 14:05:31,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:05:31,501 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:05:31,502 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:05:31,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:05:31,504 INFO L413 NwaCegarLoop]: 2256 mSDtfsCounter, 1702 mSDsluCounter, 2274 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1715 SdHoareTripleChecker+Valid, 4530 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:05:31,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1715 Valid, 4530 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:05:31,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:05:31,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:05:31,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.599628137589092) internal successors, (5162), 3227 states have internal predecessors, (5162), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:05:31,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5354 transitions. [2023-12-25 14:05:31,572 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5354 transitions. Word has length 1518 [2023-12-25 14:05:31,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:05:31,572 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5354 transitions. [2023-12-25 14:05:31,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 278.2) internal successors, (1391), 5 states have internal predecessors, (1391), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:31,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5354 transitions. [2023-12-25 14:05:31,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1520 [2023-12-25 14:05:31,588 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:05:31,589 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:31,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2023-12-25 14:05:31,589 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:05:31,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:05:31,589 INFO L85 PathProgramCache]: Analyzing trace with hash 36471615, now seen corresponding path program 1 times [2023-12-25 14:05:31,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:05:31,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968945536] [2023-12-25 14:05:31,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:05:31,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:05:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:05:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:05:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:05:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:05:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:05:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:05:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:05:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:05:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:05:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:05:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:05:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:05:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:05:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1097 [2023-12-25 14:05:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1111 [2023-12-25 14:05:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1125 [2023-12-25 14:05:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2023-12-25 14:05:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1157 [2023-12-25 14:05:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1176 [2023-12-25 14:05:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1192 [2023-12-25 14:05:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1208 [2023-12-25 14:05:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1218 [2023-12-25 14:05:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2023-12-25 14:05:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1242 [2023-12-25 14:05:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1254 [2023-12-25 14:05:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1266 [2023-12-25 14:05:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:35,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:05:35,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:05:35,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968945536] [2023-12-25 14:05:35,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968945536] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:05:35,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:05:35,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:05:35,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821471654] [2023-12-25 14:05:35,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:05:35,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:05:35,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:05:35,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:05:35,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:05:35,029 INFO L87 Difference]: Start difference. First operand 3325 states and 5354 transitions. Second operand has 5 states, 5 states have (on average 278.4) internal successors, (1392), 5 states have internal predecessors, (1392), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:05:35,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:05:35,682 INFO L93 Difference]: Finished difference Result 4522 states and 7262 transitions. [2023-12-25 14:05:35,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:05:35,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 278.4) internal successors, (1392), 5 states have internal predecessors, (1392), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 1519 [2023-12-25 14:05:35,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:05:35,686 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:05:35,687 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:05:35,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 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 14:05:35,688 INFO L413 NwaCegarLoop]: 1749 mSDtfsCounter, 1601 mSDsluCounter, 1767 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1606 SdHoareTripleChecker+Valid, 3516 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 14:05:35,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1606 Valid, 3516 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1170 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 14:05:35,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:05:35,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:05:35,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.5993182522466687) internal successors, (5161), 3227 states have internal predecessors, (5161), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:05:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5353 transitions. [2023-12-25 14:05:35,753 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5353 transitions. Word has length 1519 [2023-12-25 14:05:35,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:05:35,754 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5353 transitions. [2023-12-25 14:05:35,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 278.4) internal successors, (1392), 5 states have internal predecessors, (1392), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:05:35,754 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5353 transitions. [2023-12-25 14:05:35,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1521 [2023-12-25 14:05:35,770 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:05:35,771 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:35,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-12-25 14:05:35,771 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:05:35,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:05:35,771 INFO L85 PathProgramCache]: Analyzing trace with hash -973633967, now seen corresponding path program 1 times [2023-12-25 14:05:35,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:05:35,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333228732] [2023-12-25 14:05:35,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:05:35,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:05:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:05:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:05:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:05:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:05:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:05:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:05:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:05:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:05:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:05:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:05:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:05:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:05:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:05:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1098 [2023-12-25 14:05:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1112 [2023-12-25 14:05:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1126 [2023-12-25 14:05:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1140 [2023-12-25 14:05:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1158 [2023-12-25 14:05:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2023-12-25 14:05:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1193 [2023-12-25 14:05:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2023-12-25 14:05:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2023-12-25 14:05:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2023-12-25 14:05:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1243 [2023-12-25 14:05:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2023-12-25 14:05:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2023-12-25 14:05:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:41,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:05:41,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:05:41,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333228732] [2023-12-25 14:05:41,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333228732] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:05:41,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:05:41,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:05:41,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969398546] [2023-12-25 14:05:41,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:05:41,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:05:41,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:05:41,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:05:41,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:05:41,853 INFO L87 Difference]: Start difference. First operand 3325 states and 5353 transitions. Second operand has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:42,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:05:42,039 INFO L93 Difference]: Finished difference Result 4522 states and 7260 transitions. [2023-12-25 14:05:42,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:05:42,040 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1520 [2023-12-25 14:05:42,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:05:42,044 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:05:42,044 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:05:42,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 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 14:05:42,046 INFO L413 NwaCegarLoop]: 2255 mSDtfsCounter, 3805 mSDsluCounter, 2257 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3818 SdHoareTripleChecker+Valid, 4512 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:05:42,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3818 Valid, 4512 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:05:42,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:05:42,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:05:42,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.5990083669042454) internal successors, (5160), 3227 states have internal predecessors, (5160), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:05:42,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5352 transitions. [2023-12-25 14:05:42,116 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5352 transitions. Word has length 1520 [2023-12-25 14:05:42,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:05:42,117 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5352 transitions. [2023-12-25 14:05:42,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:42,117 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5352 transitions. [2023-12-25 14:05:42,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1521 [2023-12-25 14:05:42,142 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:05:42,142 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:42,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2023-12-25 14:05:42,142 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:05:42,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:05:42,142 INFO L85 PathProgramCache]: Analyzing trace with hash 567922387, now seen corresponding path program 1 times [2023-12-25 14:05:42,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:05:42,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233375267] [2023-12-25 14:05:42,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:05:42,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:05:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:05:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:05:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:05:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:05:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:05:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:05:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:05:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:05:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:05:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:05:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:05:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:05:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:05:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1098 [2023-12-25 14:05:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1112 [2023-12-25 14:05:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1126 [2023-12-25 14:05:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1140 [2023-12-25 14:05:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1158 [2023-12-25 14:05:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2023-12-25 14:05:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:47,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1193 [2023-12-25 14:05:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:48,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2023-12-25 14:05:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:48,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2023-12-25 14:05:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:48,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2023-12-25 14:05:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:48,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1243 [2023-12-25 14:05:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:48,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2023-12-25 14:05:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:48,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2023-12-25 14:05:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:48,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:05:48,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:05:48,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233375267] [2023-12-25 14:05:48,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233375267] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:05:48,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:05:48,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:05:48,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296921947] [2023-12-25 14:05:48,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:05:48,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:05:48,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:05:48,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:05:48,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:05:48,007 INFO L87 Difference]: Start difference. First operand 3325 states and 5352 transitions. Second operand has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:48,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:05:48,219 INFO L93 Difference]: Finished difference Result 4522 states and 7258 transitions. [2023-12-25 14:05:48,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:05:48,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1520 [2023-12-25 14:05:48,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:05:48,223 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:05:48,223 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:05:48,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 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 14:05:48,225 INFO L413 NwaCegarLoop]: 2255 mSDtfsCounter, 3605 mSDsluCounter, 2257 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3618 SdHoareTripleChecker+Valid, 4512 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:05:48,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3618 Valid, 4512 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:05:48,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:05:48,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:05:48,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.5986984815618221) internal successors, (5159), 3227 states have internal predecessors, (5159), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:05:48,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5351 transitions. [2023-12-25 14:05:48,313 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5351 transitions. Word has length 1520 [2023-12-25 14:05:48,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:05:48,313 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5351 transitions. [2023-12-25 14:05:48,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:48,314 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5351 transitions. [2023-12-25 14:05:48,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1521 [2023-12-25 14:05:48,334 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:05:48,336 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:48,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2023-12-25 14:05:48,336 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:05:48,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:05:48,337 INFO L85 PathProgramCache]: Analyzing trace with hash 543707349, now seen corresponding path program 1 times [2023-12-25 14:05:48,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:05:48,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083992492] [2023-12-25 14:05:48,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:05:48,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:05:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:05:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:05:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:05:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:05:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:05:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:05:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:05:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:05:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:05:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:05:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:05:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:05:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:05:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1098 [2023-12-25 14:05:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1112 [2023-12-25 14:05:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1126 [2023-12-25 14:05:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1140 [2023-12-25 14:05:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1158 [2023-12-25 14:05:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2023-12-25 14:05:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1193 [2023-12-25 14:05:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2023-12-25 14:05:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2023-12-25 14:05:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2023-12-25 14:05:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1243 [2023-12-25 14:05:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:58,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2023-12-25 14:05:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:59,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2023-12-25 14:05:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:59,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:05:59,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:05:59,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083992492] [2023-12-25 14:05:59,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083992492] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:05:59,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:05:59,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:05:59,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341165200] [2023-12-25 14:05:59,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:05:59,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:05:59,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:05:59,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:05:59,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:05:59,005 INFO L87 Difference]: Start difference. First operand 3325 states and 5351 transitions. Second operand has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:59,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:05:59,250 INFO L93 Difference]: Finished difference Result 4522 states and 7256 transitions. [2023-12-25 14:05:59,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:05:59,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1520 [2023-12-25 14:05:59,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:05:59,254 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:05:59,254 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:05:59,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 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 14:05:59,255 INFO L413 NwaCegarLoop]: 2218 mSDtfsCounter, 1974 mSDsluCounter, 2236 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1974 SdHoareTripleChecker+Valid, 4454 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 14:05:59,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1974 Valid, 4454 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:05:59,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:05:59,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:05:59,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.5983885962193989) internal successors, (5158), 3227 states have internal predecessors, (5158), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:05:59,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5350 transitions. [2023-12-25 14:05:59,321 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5350 transitions. Word has length 1520 [2023-12-25 14:05:59,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:05:59,321 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5350 transitions. [2023-12-25 14:05:59,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:59,322 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5350 transitions. [2023-12-25 14:05:59,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1521 [2023-12-25 14:05:59,338 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:05:59,338 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:59,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2023-12-25 14:05:59,338 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:05:59,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:05:59,339 INFO L85 PathProgramCache]: Analyzing trace with hash 673227351, now seen corresponding path program 1 times [2023-12-25 14:05:59,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:05:59,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384395821] [2023-12-25 14:05:59,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:05:59,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:06:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:06:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:06:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:06:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:06:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:06:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:06:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:06:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:06:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:06:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:06:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:06:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:06:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:06:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1098 [2023-12-25 14:06:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1112 [2023-12-25 14:06:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1126 [2023-12-25 14:06:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1140 [2023-12-25 14:06:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1158 [2023-12-25 14:06:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2023-12-25 14:06:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1193 [2023-12-25 14:06:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2023-12-25 14:06:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2023-12-25 14:06:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2023-12-25 14:06:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1243 [2023-12-25 14:06:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2023-12-25 14:06:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2023-12-25 14:06:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:11,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:06:11,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:06:11,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384395821] [2023-12-25 14:06:11,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384395821] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:06:11,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:06:11,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:06:11,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755907274] [2023-12-25 14:06:11,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:06:11,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:06:11,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:06:11,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:06:11,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:06:11,378 INFO L87 Difference]: Start difference. First operand 3325 states and 5350 transitions. Second operand has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:06:11,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:06:11,619 INFO L93 Difference]: Finished difference Result 4522 states and 7254 transitions. [2023-12-25 14:06:11,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:06:11,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1520 [2023-12-25 14:06:11,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:06:11,623 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:06:11,623 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:06:11,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 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 14:06:11,624 INFO L413 NwaCegarLoop]: 2218 mSDtfsCounter, 1973 mSDsluCounter, 2236 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1973 SdHoareTripleChecker+Valid, 4454 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:06:11,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1973 Valid, 4454 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:06:11,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:06:11,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:06:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.5980787108769756) internal successors, (5157), 3227 states have internal predecessors, (5157), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:06:11,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5349 transitions. [2023-12-25 14:06:11,691 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5349 transitions. Word has length 1520 [2023-12-25 14:06:11,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:06:11,691 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5349 transitions. [2023-12-25 14:06:11,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:06:11,692 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5349 transitions. [2023-12-25 14:06:11,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1521 [2023-12-25 14:06:11,708 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:06:11,708 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:06:11,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2023-12-25 14:06:11,708 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:06:11,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:06:11,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1508122389, now seen corresponding path program 1 times [2023-12-25 14:06:11,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:06:11,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094122654] [2023-12-25 14:06:11,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:06:11,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:06:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:06:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:06:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:06:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:06:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:06:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:06:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:06:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:06:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:06:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:06:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:06:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:06:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:06:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1098 [2023-12-25 14:06:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1112 [2023-12-25 14:06:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1126 [2023-12-25 14:06:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1140 [2023-12-25 14:06:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1158 [2023-12-25 14:06:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2023-12-25 14:06:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1193 [2023-12-25 14:06:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2023-12-25 14:06:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2023-12-25 14:06:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2023-12-25 14:06:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1243 [2023-12-25 14:06:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2023-12-25 14:06:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2023-12-25 14:06:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:06:23,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:06:23,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094122654] [2023-12-25 14:06:23,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094122654] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:06:23,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:06:23,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:06:23,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331204692] [2023-12-25 14:06:23,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:06:23,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:06:23,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:06:23,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:06:23,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:06:23,574 INFO L87 Difference]: Start difference. First operand 3325 states and 5349 transitions. Second operand has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:06:23,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:06:23,864 INFO L93 Difference]: Finished difference Result 4522 states and 7252 transitions. [2023-12-25 14:06:23,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:06:23,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1520 [2023-12-25 14:06:23,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:06:23,867 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:06:23,867 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:06:23,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 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 14:06:23,872 INFO L413 NwaCegarLoop]: 2218 mSDtfsCounter, 1972 mSDsluCounter, 2236 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1972 SdHoareTripleChecker+Valid, 4454 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:06:23,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1972 Valid, 4454 Invalid, 223 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:06:23,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:06:23,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:06:23,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.5977688255345521) internal successors, (5156), 3227 states have internal predecessors, (5156), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:06:23,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5348 transitions. [2023-12-25 14:06:23,936 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5348 transitions. Word has length 1520 [2023-12-25 14:06:23,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:06:23,936 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5348 transitions. [2023-12-25 14:06:23,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:06:23,936 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5348 transitions. [2023-12-25 14:06:23,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1521 [2023-12-25 14:06:23,952 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:06:23,952 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:06:23,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2023-12-25 14:06:23,953 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:06:23,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:06:23,953 INFO L85 PathProgramCache]: Analyzing trace with hash -619994345, now seen corresponding path program 1 times [2023-12-25 14:06:23,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:06:23,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671282349] [2023-12-25 14:06:23,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:06:23,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:06:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:06:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:06:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:06:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:06:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:06:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:06:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:06:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:06:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:06:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:06:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:06:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:06:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:06:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1098 [2023-12-25 14:06:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1112 [2023-12-25 14:06:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1126 [2023-12-25 14:06:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1140 [2023-12-25 14:06:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1158 [2023-12-25 14:06:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2023-12-25 14:06:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1193 [2023-12-25 14:06:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2023-12-25 14:06:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2023-12-25 14:06:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2023-12-25 14:06:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1243 [2023-12-25 14:06:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2023-12-25 14:06:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2023-12-25 14:06:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:34,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:06:34,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:06:34,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671282349] [2023-12-25 14:06:34,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671282349] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:06:34,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:06:34,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:06:34,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186937560] [2023-12-25 14:06:34,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:06:34,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:06:34,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:06:34,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:06:34,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:06:34,775 INFO L87 Difference]: Start difference. First operand 3325 states and 5348 transitions. Second operand has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:06:35,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:06:35,063 INFO L93 Difference]: Finished difference Result 4522 states and 7250 transitions. [2023-12-25 14:06:35,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:06:35,063 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1520 [2023-12-25 14:06:35,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:06:35,067 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:06:35,067 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:06:35,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 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 14:06:35,069 INFO L413 NwaCegarLoop]: 2218 mSDtfsCounter, 3558 mSDsluCounter, 2220 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3558 SdHoareTripleChecker+Valid, 4438 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:06:35,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3558 Valid, 4438 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:06:35,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:06:35,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:06:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.5974589401921289) internal successors, (5155), 3227 states have internal predecessors, (5155), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:06:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5347 transitions. [2023-12-25 14:06:35,141 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5347 transitions. Word has length 1520 [2023-12-25 14:06:35,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:06:35,141 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5347 transitions. [2023-12-25 14:06:35,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:06:35,142 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5347 transitions. [2023-12-25 14:06:35,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1521 [2023-12-25 14:06:35,158 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:06:35,158 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:06:35,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2023-12-25 14:06:35,159 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:06:35,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:06:35,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1828995755, now seen corresponding path program 1 times [2023-12-25 14:06:35,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:06:35,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739007000] [2023-12-25 14:06:35,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:06:35,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:06:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:06:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:06:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:06:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:06:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:06:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:06:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:06:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:06:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:06:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:06:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:06:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:06:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:06:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1098 [2023-12-25 14:06:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1112 [2023-12-25 14:06:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1126 [2023-12-25 14:06:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1140 [2023-12-25 14:06:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1158 [2023-12-25 14:06:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2023-12-25 14:06:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1193 [2023-12-25 14:06:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2023-12-25 14:06:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2023-12-25 14:06:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2023-12-25 14:06:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1243 [2023-12-25 14:06:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2023-12-25 14:06:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2023-12-25 14:06:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:46,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:06:46,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:06:46,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739007000] [2023-12-25 14:06:46,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739007000] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:06:46,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:06:46,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:06:46,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369510004] [2023-12-25 14:06:46,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:06:46,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:06:46,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:06:46,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:06:46,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:06:46,886 INFO L87 Difference]: Start difference. First operand 3325 states and 5347 transitions. Second operand has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:06:47,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:06:47,146 INFO L93 Difference]: Finished difference Result 4522 states and 7248 transitions. [2023-12-25 14:06:47,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:06:47,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1520 [2023-12-25 14:06:47,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:06:47,151 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:06:47,151 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:06:47,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 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 14:06:47,153 INFO L413 NwaCegarLoop]: 2218 mSDtfsCounter, 3471 mSDsluCounter, 2220 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3471 SdHoareTripleChecker+Valid, 4438 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:06:47,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3471 Valid, 4438 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:06:47,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:06:47,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:06:47,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.5971490548497056) internal successors, (5154), 3227 states have internal predecessors, (5154), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:06:47,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5346 transitions. [2023-12-25 14:06:47,225 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5346 transitions. Word has length 1520 [2023-12-25 14:06:47,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:06:47,226 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5346 transitions. [2023-12-25 14:06:47,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:06:47,226 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5346 transitions. [2023-12-25 14:06:47,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1521 [2023-12-25 14:06:47,243 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:06:47,243 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:06:47,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2023-12-25 14:06:47,243 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:06:47,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:06:47,243 INFO L85 PathProgramCache]: Analyzing trace with hash 892536919, now seen corresponding path program 1 times [2023-12-25 14:06:47,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:06:47,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374499648] [2023-12-25 14:06:47,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:06:47,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:06:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:06:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:06:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:06:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:06:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:06:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:06:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:06:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:06:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:06:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:06:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:06:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:06:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:06:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1098 [2023-12-25 14:06:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1112 [2023-12-25 14:06:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1126 [2023-12-25 14:06:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1140 [2023-12-25 14:06:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1158 [2023-12-25 14:06:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2023-12-25 14:06:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1193 [2023-12-25 14:06:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2023-12-25 14:06:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2023-12-25 14:06:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2023-12-25 14:06:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1243 [2023-12-25 14:06:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2023-12-25 14:06:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2023-12-25 14:06:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:06:59,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:06:59,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:06:59,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374499648] [2023-12-25 14:06:59,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374499648] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:06:59,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:06:59,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:06:59,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809094270] [2023-12-25 14:06:59,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:06:59,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:06:59,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:06:59,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:06:59,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:06:59,586 INFO L87 Difference]: Start difference. First operand 3325 states and 5346 transitions. Second operand has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:06:59,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:06:59,844 INFO L93 Difference]: Finished difference Result 4522 states and 7246 transitions. [2023-12-25 14:06:59,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:06:59,845 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1520 [2023-12-25 14:06:59,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:06:59,848 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:06:59,848 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:06:59,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 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 14:06:59,849 INFO L413 NwaCegarLoop]: 2218 mSDtfsCounter, 1969 mSDsluCounter, 2236 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1969 SdHoareTripleChecker+Valid, 4454 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:06:59,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1969 Valid, 4454 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:06:59,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:06:59,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:06:59,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.5968391695072823) internal successors, (5153), 3227 states have internal predecessors, (5153), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:06:59,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5345 transitions. [2023-12-25 14:06:59,913 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5345 transitions. Word has length 1520 [2023-12-25 14:06:59,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:06:59,913 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5345 transitions. [2023-12-25 14:06:59,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:06:59,913 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5345 transitions. [2023-12-25 14:06:59,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1521 [2023-12-25 14:06:59,929 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:06:59,929 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:06:59,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2023-12-25 14:06:59,930 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:06:59,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:06:59,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1899314069, now seen corresponding path program 1 times [2023-12-25 14:06:59,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:06:59,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52812132] [2023-12-25 14:06:59,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:06:59,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:07:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:07:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:07:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:07:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:07:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:07:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:07:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:07:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:07:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:07:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:07:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:07:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:07:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:07:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1098 [2023-12-25 14:07:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1112 [2023-12-25 14:07:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1126 [2023-12-25 14:07:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1140 [2023-12-25 14:07:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1158 [2023-12-25 14:07:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2023-12-25 14:07:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1193 [2023-12-25 14:07:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2023-12-25 14:07:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2023-12-25 14:07:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2023-12-25 14:07:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1243 [2023-12-25 14:07:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2023-12-25 14:07:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2023-12-25 14:07:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:12,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:07:12,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:07:12,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52812132] [2023-12-25 14:07:12,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52812132] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:07:12,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:07:12,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:07:12,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972824566] [2023-12-25 14:07:12,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:07:12,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:07:12,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:07:12,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:07:12,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:07:12,689 INFO L87 Difference]: Start difference. First operand 3325 states and 5345 transitions. Second operand has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:07:13,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:07:13,014 INFO L93 Difference]: Finished difference Result 4522 states and 7244 transitions. [2023-12-25 14:07:13,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:07:13,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1520 [2023-12-25 14:07:13,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:07:13,019 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:07:13,019 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:07:13,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 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 14:07:13,021 INFO L413 NwaCegarLoop]: 2218 mSDtfsCounter, 3361 mSDsluCounter, 2220 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3361 SdHoareTripleChecker+Valid, 4438 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:07:13,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3361 Valid, 4438 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:07:13,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:07:13,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:07:13,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.596529284164859) internal successors, (5152), 3227 states have internal predecessors, (5152), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:07:13,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5344 transitions. [2023-12-25 14:07:13,126 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5344 transitions. Word has length 1520 [2023-12-25 14:07:13,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:07:13,127 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5344 transitions. [2023-12-25 14:07:13,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 278.6) internal successors, (1393), 5 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:07:13,127 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5344 transitions. [2023-12-25 14:07:13,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1521 [2023-12-25 14:07:13,145 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:07:13,146 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:07:13,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2023-12-25 14:07:13,146 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:07:13,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:07:13,146 INFO L85 PathProgramCache]: Analyzing trace with hash 944740631, now seen corresponding path program 1 times [2023-12-25 14:07:13,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:07:13,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752066113] [2023-12-25 14:07:13,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:07:13,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:07:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:07:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:07:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:07:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:07:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:07:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:07:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:07:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:07:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:07:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:07:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:07:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:07:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:07:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1098 [2023-12-25 14:07:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1112 [2023-12-25 14:07:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1126 [2023-12-25 14:07:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1140 [2023-12-25 14:07:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1158 [2023-12-25 14:07:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2023-12-25 14:07:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1193 [2023-12-25 14:07:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2023-12-25 14:07:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2023-12-25 14:07:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2023-12-25 14:07:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1243 [2023-12-25 14:07:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2023-12-25 14:07:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2023-12-25 14:07:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:07:25,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:07:25,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:07:25,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752066113] [2023-12-25 14:07:25,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752066113] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:07:25,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:07:25,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:07:25,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241302393] [2023-12-25 14:07:25,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:07:25,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:07:25,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:07:25,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:07:25,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:07:25,841 INFO L87 Difference]: Start difference. First operand 3325 states and 5344 transitions. Second operand has 4 states, 4 states have (on average 348.25) internal successors, (1393), 4 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:07:26,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:07:26,060 INFO L93 Difference]: Finished difference Result 4522 states and 7242 transitions. [2023-12-25 14:07:26,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:07:26,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 348.25) internal successors, (1393), 4 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1520 [2023-12-25 14:07:26,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:07:26,064 INFO L225 Difference]: With dead ends: 4522 [2023-12-25 14:07:26,064 INFO L226 Difference]: Without dead ends: 3325 [2023-12-25 14:07:26,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 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 14:07:26,066 INFO L413 NwaCegarLoop]: 2218 mSDtfsCounter, 1386 mSDsluCounter, 2220 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1386 SdHoareTripleChecker+Valid, 4438 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:07:26,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1386 Valid, 4438 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:07:26,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-12-25 14:07:26,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3325. [2023-12-25 14:07:26,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3227 states have (on average 1.5962193988224358) internal successors, (5151), 3227 states have internal predecessors, (5151), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-25 14:07:26,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5343 transitions. [2023-12-25 14:07:26,132 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5343 transitions. Word has length 1520 [2023-12-25 14:07:26,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:07:26,132 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5343 transitions. [2023-12-25 14:07:26,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 348.25) internal successors, (1393), 4 states have internal predecessors, (1393), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:07:26,133 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5343 transitions. [2023-12-25 14:07:26,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1521 [2023-12-25 14:07:26,148 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:07:26,149 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:07:26,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2023-12-25 14:07:26,149 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:07:26,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:07:26,149 INFO L85 PathProgramCache]: Analyzing trace with hash -676951595, now seen corresponding path program 1 times [2023-12-25 14:07:26,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:07:26,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738627099] [2023-12-25 14:07:26,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:07:26,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:08:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:08:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:08:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:08:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:08:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:08:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:08:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:08:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:08:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:08:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:08:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:08:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:08:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:08:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1098 [2023-12-25 14:08:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1112 [2023-12-25 14:08:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1126 [2023-12-25 14:08:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1140 [2023-12-25 14:08:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1158 [2023-12-25 14:08:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2023-12-25 14:08:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1193 [2023-12-25 14:08:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2023-12-25 14:08:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2023-12-25 14:08:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2023-12-25 14:08:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1243 [2023-12-25 14:08:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2023-12-25 14:08:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2023-12-25 14:08:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:03,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:08:03,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:08:03,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738627099] [2023-12-25 14:08:03,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738627099] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:08:03,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:08:03,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 14:08:03,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118958188] [2023-12-25 14:08:03,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:08:03,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 14:08:03,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:08:03,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 14:08:03,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:08:03,311 INFO L87 Difference]: Start difference. First operand 3325 states and 5343 transitions. Second operand has 6 states, 6 states have (on average 232.16666666666666) internal successors, (1393), 6 states have internal predecessors, (1393), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:08:04,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:08:04,321 INFO L93 Difference]: Finished difference Result 7948 states and 12744 transitions. [2023-12-25 14:08:04,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 14:08:04,321 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 232.16666666666666) internal successors, (1393), 6 states have internal predecessors, (1393), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 1520 [2023-12-25 14:08:04,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:08:04,328 INFO L225 Difference]: With dead ends: 7948 [2023-12-25 14:08:04,328 INFO L226 Difference]: Without dead ends: 6751 [2023-12-25 14:08:04,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-25 14:08:04,330 INFO L413 NwaCegarLoop]: 1905 mSDtfsCounter, 2371 mSDsluCounter, 6229 mSDsCounter, 0 mSdLazyCounter, 1728 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2376 SdHoareTripleChecker+Valid, 8134 SdHoareTripleChecker+Invalid, 1742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 14:08:04,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2376 Valid, 8134 Invalid, 1742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1728 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 14:08:04,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6751 states. [2023-12-25 14:08:04,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6751 to 5804. [2023-12-25 14:08:04,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5804 states, 5623 states have (on average 1.595945224968878) internal successors, (8974), 5623 states have internal predecessors, (8974), 179 states have call successors, (179), 1 states have call predecessors, (179), 1 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2023-12-25 14:08:04,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5804 states to 5804 states and 9332 transitions. [2023-12-25 14:08:04,476 INFO L78 Accepts]: Start accepts. Automaton has 5804 states and 9332 transitions. Word has length 1520 [2023-12-25 14:08:04,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:08:04,477 INFO L495 AbstractCegarLoop]: Abstraction has 5804 states and 9332 transitions. [2023-12-25 14:08:04,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 232.16666666666666) internal successors, (1393), 6 states have internal predecessors, (1393), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:08:04,478 INFO L276 IsEmpty]: Start isEmpty. Operand 5804 states and 9332 transitions. [2023-12-25 14:08:04,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1522 [2023-12-25 14:08:04,512 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:08:04,512 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:08:04,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2023-12-25 14:08:04,513 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:08:04,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:08:04,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1684456955, now seen corresponding path program 1 times [2023-12-25 14:08:04,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:08:04,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076828514] [2023-12-25 14:08:04,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:08:04,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:08:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:08:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:08:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:08:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:08:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:08:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:08:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:08:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:08:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:08:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:08:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:08:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:08:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:08:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1099 [2023-12-25 14:08:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1113 [2023-12-25 14:08:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1127 [2023-12-25 14:08:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2023-12-25 14:08:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2023-12-25 14:08:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1178 [2023-12-25 14:08:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1194 [2023-12-25 14:08:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2023-12-25 14:08:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1220 [2023-12-25 14:08:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1232 [2023-12-25 14:08:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2023-12-25 14:08:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1256 [2023-12-25 14:08:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1268 [2023-12-25 14:08:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:08:32,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 1367 trivial. 0 not checked. [2023-12-25 14:08:32,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:08:32,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076828514] [2023-12-25 14:08:32,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076828514] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:08:32,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:08:32,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:08:32,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839266520] [2023-12-25 14:08:32,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:08:32,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:08:32,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:08:32,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:08:32,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:08:32,218 INFO L87 Difference]: Start difference. First operand 5804 states and 9332 transitions. Second operand has 5 states, 5 states have (on average 266.0) internal successors, (1330), 5 states have internal predecessors, (1330), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:08:33,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:08:33,188 INFO L93 Difference]: Finished difference Result 7737 states and 12387 transitions. [2023-12-25 14:08:33,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 14:08:33,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 266.0) internal successors, (1330), 5 states have internal predecessors, (1330), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 1521 [2023-12-25 14:08:33,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:08:33,194 INFO L225 Difference]: With dead ends: 7737 [2023-12-25 14:08:33,194 INFO L226 Difference]: Without dead ends: 5816 [2023-12-25 14:08:33,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 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 14:08:33,196 INFO L413 NwaCegarLoop]: 1763 mSDtfsCounter, 2046 mSDsluCounter, 3495 mSDsCounter, 0 mSdLazyCounter, 1698 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2051 SdHoareTripleChecker+Valid, 5258 SdHoareTripleChecker+Invalid, 1699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 14:08:33,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2051 Valid, 5258 Invalid, 1699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1698 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 14:08:33,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5816 states. [2023-12-25 14:08:33,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5816 to 5810. [2023-12-25 14:08:33,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 5629 states have (on average 1.5953100017765145) internal successors, (8980), 5629 states have internal predecessors, (8980), 179 states have call successors, (179), 1 states have call predecessors, (179), 1 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2023-12-25 14:08:33,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 9338 transitions. [2023-12-25 14:08:33,315 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 9338 transitions. Word has length 1521 [2023-12-25 14:08:33,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:08:33,315 INFO L495 AbstractCegarLoop]: Abstraction has 5810 states and 9338 transitions. [2023-12-25 14:08:33,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 266.0) internal successors, (1330), 5 states have internal predecessors, (1330), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:08:33,315 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 9338 transitions. [2023-12-25 14:08:33,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1524 [2023-12-25 14:08:33,333 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:08:33,333 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:08:33,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2023-12-25 14:08:33,333 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:08:33,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:08:33,334 INFO L85 PathProgramCache]: Analyzing trace with hash -973321197, now seen corresponding path program 1 times [2023-12-25 14:08:33,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:08:33,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747472310] [2023-12-25 14:08:33,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:08:33,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:08:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:09:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:09:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:09:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:09:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:09:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:09:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:09:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:09:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:09:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:09:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:09:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:09:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:09:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1100 [2023-12-25 14:09:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2023-12-25 14:09:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1128 [2023-12-25 14:09:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1142 [2023-12-25 14:09:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1160 [2023-12-25 14:09:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1179 [2023-12-25 14:09:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2023-12-25 14:09:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1211 [2023-12-25 14:09:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1221 [2023-12-25 14:09:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1233 [2023-12-25 14:09:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2023-12-25 14:09:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1257 [2023-12-25 14:09:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1269 [2023-12-25 14:09:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:02,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 1367 trivial. 0 not checked. [2023-12-25 14:09:02,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:09:02,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747472310] [2023-12-25 14:09:02,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747472310] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:09:02,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:09:02,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:09:02,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890864414] [2023-12-25 14:09:02,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:09:02,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:09:02,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:09:02,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:09:02,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:09:02,622 INFO L87 Difference]: Start difference. First operand 5810 states and 9338 transitions. Second operand has 5 states, 5 states have (on average 266.4) internal successors, (1332), 5 states have internal predecessors, (1332), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:09:03,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:09:03,540 INFO L93 Difference]: Finished difference Result 7739 states and 12386 transitions. [2023-12-25 14:09:03,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 14:09:03,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 266.4) internal successors, (1332), 5 states have internal predecessors, (1332), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1523 [2023-12-25 14:09:03,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:09:03,546 INFO L225 Difference]: With dead ends: 7739 [2023-12-25 14:09:03,546 INFO L226 Difference]: Without dead ends: 5816 [2023-12-25 14:09:03,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 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 14:09:03,548 INFO L413 NwaCegarLoop]: 1763 mSDtfsCounter, 1820 mSDsluCounter, 3495 mSDsCounter, 0 mSdLazyCounter, 1698 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1820 SdHoareTripleChecker+Valid, 5258 SdHoareTripleChecker+Invalid, 1698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 14:09:03,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1820 Valid, 5258 Invalid, 1698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1698 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 14:09:03,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5816 states. [2023-12-25 14:09:03,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5816 to 5813. [2023-12-25 14:09:03,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5813 states, 5632 states have (on average 1.5949928977272727) internal successors, (8983), 5632 states have internal predecessors, (8983), 179 states have call successors, (179), 1 states have call predecessors, (179), 1 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2023-12-25 14:09:03,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5813 states to 5813 states and 9341 transitions. [2023-12-25 14:09:03,667 INFO L78 Accepts]: Start accepts. Automaton has 5813 states and 9341 transitions. Word has length 1523 [2023-12-25 14:09:03,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:09:03,668 INFO L495 AbstractCegarLoop]: Abstraction has 5813 states and 9341 transitions. [2023-12-25 14:09:03,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 266.4) internal successors, (1332), 5 states have internal predecessors, (1332), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:09:03,668 INFO L276 IsEmpty]: Start isEmpty. Operand 5813 states and 9341 transitions. [2023-12-25 14:09:03,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1524 [2023-12-25 14:09:03,719 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:09:03,720 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:09:03,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2023-12-25 14:09:03,720 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:09:03,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:09:03,720 INFO L85 PathProgramCache]: Analyzing trace with hash 777306195, now seen corresponding path program 1 times [2023-12-25 14:09:03,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:09:03,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889541465] [2023-12-25 14:09:03,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:09:03,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:09:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:09:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 14:09:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 14:09:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 14:09:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:09:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 14:09:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:09:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:09:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:09:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:09:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:09:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:09:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:09:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1100 [2023-12-25 14:09:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2023-12-25 14:09:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1128 [2023-12-25 14:09:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1142 [2023-12-25 14:09:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1160 [2023-12-25 14:09:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1179 [2023-12-25 14:09:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2023-12-25 14:09:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1211 [2023-12-25 14:09:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1221 [2023-12-25 14:09:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1233 [2023-12-25 14:09:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2023-12-25 14:09:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1257 [2023-12-25 14:09:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1269 [2023-12-25 14:09:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:09:27,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 1621 trivial. 0 not checked. [2023-12-25 14:09:27,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:09:27,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889541465] [2023-12-25 14:09:27,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889541465] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:09:27,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:09:27,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 14:09:27,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610862516] [2023-12-25 14:09:27,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:09:27,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 14:09:27,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:09:27,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 14:09:27,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-25 14:09:27,700 INFO L87 Difference]: Start difference. First operand 5813 states and 9341 transitions. Second operand has 7 states, 7 states have (on average 155.57142857142858) internal successors, (1089), 7 states have internal predecessors, (1089), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-25 14:09:28,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:09:28,508 INFO L93 Difference]: Finished difference Result 11268 states and 18005 transitions. [2023-12-25 14:09:28,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 14:09:28,508 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 155.57142857142858) internal successors, (1089), 7 states have internal predecessors, (1089), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 1523 [2023-12-25 14:09:28,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:09:28,516 INFO L225 Difference]: With dead ends: 11268 [2023-12-25 14:09:28,516 INFO L226 Difference]: Without dead ends: 5881 [2023-12-25 14:09:28,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-12-25 14:09:28,523 INFO L413 NwaCegarLoop]: 2375 mSDtfsCounter, 4002 mSDsluCounter, 7017 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4002 SdHoareTripleChecker+Valid, 9392 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 14:09:28,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4002 Valid, 9392 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 14:09:28,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5881 states. [2023-12-25 14:09:28,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5881 to 5847. [2023-12-25 14:09:28,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5847 states, 5666 states have (on average 1.5884221673138017) internal successors, (9000), 5666 states have internal predecessors, (9000), 179 states have call successors, (179), 1 states have call predecessors, (179), 1 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2023-12-25 14:09:28,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5847 states to 5847 states and 9358 transitions. [2023-12-25 14:09:28,658 INFO L78 Accepts]: Start accepts. Automaton has 5847 states and 9358 transitions. Word has length 1523 [2023-12-25 14:09:28,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:09:28,658 INFO L495 AbstractCegarLoop]: Abstraction has 5847 states and 9358 transitions. [2023-12-25 14:09:28,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 155.57142857142858) internal successors, (1089), 7 states have internal predecessors, (1089), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-25 14:09:28,659 INFO L276 IsEmpty]: Start isEmpty. Operand 5847 states and 9358 transitions. [2023-12-25 14:09:28,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1526 [2023-12-25 14:09:28,677 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:09:28,677 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:09:28,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2023-12-25 14:09:28,677 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:09:28,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:09:28,678 INFO L85 PathProgramCache]: Analyzing trace with hash -2054154593, now seen corresponding path program 1 times [2023-12-25 14:09:28,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:09:28,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333583332] [2023-12-25 14:09:28,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:09:28,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:10:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 14:10:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-12-25 14:10:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-25 14:10:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 14:10:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-12-25 14:10:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-12-25 14:10:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-12-25 14:10:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:10:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-12-25 14:10:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:10:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:10:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:10:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:10:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1101 [2023-12-25 14:10:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1116 [2023-12-25 14:10:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1130 [2023-12-25 14:10:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1144 [2023-12-25 14:10:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1162 [2023-12-25 14:10:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1181 [2023-12-25 14:10:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1197 [2023-12-25 14:10:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1213 [2023-12-25 14:10:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1223 [2023-12-25 14:10:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1235 [2023-12-25 14:10:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1247 [2023-12-25 14:10:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2023-12-25 14:10:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1271 [2023-12-25 14:10:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:13,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 377 proven. 5 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:10:13,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:10:13,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333583332] [2023-12-25 14:10:13,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333583332] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 14:10:13,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861957577] [2023-12-25 14:10:13,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:10:13,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:10:13,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 14:10:13,838 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 14:10:13,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-25 14:10:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:10:15,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 9983 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 14:10:15,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 14:10:16,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 1568 trivial. 0 not checked. [2023-12-25 14:10:16,248 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 14:10:16,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861957577] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:10:16,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 14:10:16,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 19 [2023-12-25 14:10:16,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274908280] [2023-12-25 14:10:16,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:10:16,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 14:10:16,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:10:16,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 14:10:16,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2023-12-25 14:10:16,250 INFO L87 Difference]: Start difference. First operand 5847 states and 9358 transitions. Second operand has 9 states, 8 states have (on average 131.375) internal successors, (1051), 8 states have internal predecessors, (1051), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-25 14:10:16,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:10:16,552 INFO L93 Difference]: Finished difference Result 10856 states and 17324 transitions. [2023-12-25 14:10:16,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 14:10:16,553 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 131.375) internal successors, (1051), 8 states have internal predecessors, (1051), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 1525 [2023-12-25 14:10:16,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:10:16,560 INFO L225 Difference]: With dead ends: 10856 [2023-12-25 14:10:16,560 INFO L226 Difference]: Without dead ends: 5830 [2023-12-25 14:10:16,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1591 GetRequests, 1570 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2023-12-25 14:10:16,564 INFO L413 NwaCegarLoop]: 2278 mSDtfsCounter, 4218 mSDsluCounter, 11341 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4231 SdHoareTripleChecker+Valid, 13619 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:10:16,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4231 Valid, 13619 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:10:16,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2023-12-25 14:10:16,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 5830. [2023-12-25 14:10:16,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5830 states, 5649 states have (on average 1.581164807930607) internal successors, (8932), 5649 states have internal predecessors, (8932), 179 states have call successors, (179), 1 states have call predecessors, (179), 1 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2023-12-25 14:10:16,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5830 states to 5830 states and 9290 transitions. [2023-12-25 14:10:16,695 INFO L78 Accepts]: Start accepts. Automaton has 5830 states and 9290 transitions. Word has length 1525 [2023-12-25 14:10:16,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:10:16,695 INFO L495 AbstractCegarLoop]: Abstraction has 5830 states and 9290 transitions. [2023-12-25 14:10:16,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 131.375) internal successors, (1051), 8 states have internal predecessors, (1051), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-25 14:10:16,695 INFO L276 IsEmpty]: Start isEmpty. Operand 5830 states and 9290 transitions. [2023-12-25 14:10:16,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1528 [2023-12-25 14:10:16,783 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:10:16,783 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:10:16,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-25 14:10:16,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:10:16,996 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:10:16,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:10:16,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1791890647, now seen corresponding path program 1 times [2023-12-25 14:10:16,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:10:16,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886368158] [2023-12-25 14:10:16,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:10:16,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:10:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:11:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:11:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-12-25 14:11:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-12-25 14:11:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-25 14:11:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-12-25 14:11:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2023-12-25 14:11:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2023-12-25 14:11:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:11:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 14:11:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 14:11:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2023-12-25 14:11:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2023-12-25 14:11:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1103 [2023-12-25 14:11:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1118 [2023-12-25 14:11:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2023-12-25 14:11:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1146 [2023-12-25 14:11:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1164 [2023-12-25 14:11:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1183 [2023-12-25 14:11:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2023-12-25 14:11:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2023-12-25 14:11:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1225 [2023-12-25 14:11:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1237 [2023-12-25 14:11:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1249 [2023-12-25 14:11:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1261 [2023-12-25 14:11:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1273 [2023-12-25 14:11:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 378 proven. 5 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:11:04,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:11:04,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886368158] [2023-12-25 14:11:04,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886368158] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 14:11:04,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243811248] [2023-12-25 14:11:04,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:11:04,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:11:04,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 14:11:04,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 14:11:04,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-25 14:11:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:06,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 9989 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 14:11:06,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 14:11:06,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 1365 trivial. 0 not checked. [2023-12-25 14:11:06,547 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 14:11:06,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243811248] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:11:06,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 14:11:06,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 19 [2023-12-25 14:11:06,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972857985] [2023-12-25 14:11:06,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:11:06,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 14:11:06,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:11:06,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 14:11:06,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2023-12-25 14:11:06,549 INFO L87 Difference]: Start difference. First operand 5830 states and 9290 transitions. Second operand has 9 states, 8 states have (on average 134.375) internal successors, (1075), 9 states have internal predecessors, (1075), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-25 14:11:06,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:11:06,945 INFO L93 Difference]: Finished difference Result 10183 states and 16214 transitions. [2023-12-25 14:11:06,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 14:11:06,951 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 134.375) internal successors, (1075), 9 states have internal predecessors, (1075), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 1527 [2023-12-25 14:11:06,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:11:06,957 INFO L225 Difference]: With dead ends: 10183 [2023-12-25 14:11:06,957 INFO L226 Difference]: Without dead ends: 5830 [2023-12-25 14:11:06,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1593 GetRequests, 1572 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2023-12-25 14:11:06,959 INFO L413 NwaCegarLoop]: 2277 mSDtfsCounter, 2114 mSDsluCounter, 11381 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2127 SdHoareTripleChecker+Valid, 13658 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:11:06,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2127 Valid, 13658 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:11:06,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2023-12-25 14:11:07,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 5830. [2023-12-25 14:11:07,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5830 states, 5649 states have (on average 1.5781554257390689) internal successors, (8915), 5649 states have internal predecessors, (8915), 179 states have call successors, (179), 1 states have call predecessors, (179), 1 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2023-12-25 14:11:07,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5830 states to 5830 states and 9273 transitions. [2023-12-25 14:11:07,092 INFO L78 Accepts]: Start accepts. Automaton has 5830 states and 9273 transitions. Word has length 1527 [2023-12-25 14:11:07,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:11:07,092 INFO L495 AbstractCegarLoop]: Abstraction has 5830 states and 9273 transitions. [2023-12-25 14:11:07,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 134.375) internal successors, (1075), 9 states have internal predecessors, (1075), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-25 14:11:07,093 INFO L276 IsEmpty]: Start isEmpty. Operand 5830 states and 9273 transitions. [2023-12-25 14:11:07,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1530 [2023-12-25 14:11:07,110 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:11:07,111 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:11:07,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-25 14:11:07,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96 [2023-12-25 14:11:07,330 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:11:07,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:11:07,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1344411615, now seen corresponding path program 1 times [2023-12-25 14:11:07,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:11:07,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881762423] [2023-12-25 14:11:07,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:11:07,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:11:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:11:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:11:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:11:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-12-25 14:11:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 14:11:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 14:11:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 14:11:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 14:11:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 14:11:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-12-25 14:11:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-12-25 14:11:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-12-25 14:11:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-12-25 14:11:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2023-12-25 14:11:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1119 [2023-12-25 14:11:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1134 [2023-12-25 14:11:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1148 [2023-12-25 14:11:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1166 [2023-12-25 14:11:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1185 [2023-12-25 14:11:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1201 [2023-12-25 14:11:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1217 [2023-12-25 14:11:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1227 [2023-12-25 14:11:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1239 [2023-12-25 14:11:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1251 [2023-12-25 14:11:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1263 [2023-12-25 14:11:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2023-12-25 14:11:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:57,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 379 proven. 5 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:11:57,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:11:57,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881762423] [2023-12-25 14:11:57,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881762423] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 14:11:57,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520319763] [2023-12-25 14:11:57,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:11:57,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:11:57,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 14:11:57,289 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 14:11:57,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-25 14:11:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:11:59,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 9997 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 14:11:59,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 14:11:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 408 proven. 0 refuted. 0 times theorem prover too weak. 1276 trivial. 0 not checked. [2023-12-25 14:11:59,785 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 14:11:59,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520319763] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:11:59,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 14:11:59,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 19 [2023-12-25 14:11:59,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455550089] [2023-12-25 14:11:59,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:11:59,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 14:11:59,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:11:59,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 14:11:59,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2023-12-25 14:11:59,788 INFO L87 Difference]: Start difference. First operand 5830 states and 9273 transitions. Second operand has 9 states, 8 states have (on average 135.75) internal successors, (1086), 9 states have internal predecessors, (1086), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-25 14:12:00,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:00,084 INFO L93 Difference]: Finished difference Result 9959 states and 15828 transitions. [2023-12-25 14:12:00,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 14:12:00,085 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 135.75) internal successors, (1086), 9 states have internal predecessors, (1086), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 1529 [2023-12-25 14:12:00,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:00,091 INFO L225 Difference]: With dead ends: 9959 [2023-12-25 14:12:00,091 INFO L226 Difference]: Without dead ends: 5830 [2023-12-25 14:12:00,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1595 GetRequests, 1574 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2023-12-25 14:12:00,095 INFO L413 NwaCegarLoop]: 2276 mSDtfsCounter, 4184 mSDsluCounter, 11316 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4197 SdHoareTripleChecker+Valid, 13592 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:00,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4197 Valid, 13592 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:12:00,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2023-12-25 14:12:00,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 5830. [2023-12-25 14:12:00,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5830 states, 5649 states have (on average 1.5751460435475306) internal successors, (8898), 5649 states have internal predecessors, (8898), 179 states have call successors, (179), 1 states have call predecessors, (179), 1 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2023-12-25 14:12:00,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5830 states to 5830 states and 9256 transitions. [2023-12-25 14:12:00,223 INFO L78 Accepts]: Start accepts. Automaton has 5830 states and 9256 transitions. Word has length 1529 [2023-12-25 14:12:00,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:00,223 INFO L495 AbstractCegarLoop]: Abstraction has 5830 states and 9256 transitions. [2023-12-25 14:12:00,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 135.75) internal successors, (1086), 9 states have internal predecessors, (1086), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-25 14:12:00,223 INFO L276 IsEmpty]: Start isEmpty. Operand 5830 states and 9256 transitions. [2023-12-25 14:12:00,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1532 [2023-12-25 14:12:00,241 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:00,241 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:00,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-25 14:12:00,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:12:00,447 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:00,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:00,448 INFO L85 PathProgramCache]: Analyzing trace with hash 926137415, now seen corresponding path program 1 times [2023-12-25 14:12:00,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:00,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135533543] [2023-12-25 14:12:00,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:00,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:12:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:12:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:12:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 14:12:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-12-25 14:12:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-12-25 14:12:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-12-25 14:12:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2023-12-25 14:12:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-12-25 14:12:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2023-12-25 14:12:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-12-25 14:12:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-12-25 14:12:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2023-12-25 14:12:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1120 [2023-12-25 14:12:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1135 [2023-12-25 14:12:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2023-12-25 14:12:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2023-12-25 14:12:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1187 [2023-12-25 14:12:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1203 [2023-12-25 14:12:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2023-12-25 14:12:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2023-12-25 14:12:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1241 [2023-12-25 14:12:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1253 [2023-12-25 14:12:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1265 [2023-12-25 14:12:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1277 [2023-12-25 14:12:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1685 backedges. 380 proven. 5 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:12:45,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:45,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135533543] [2023-12-25 14:12:45,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135533543] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 14:12:45,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609204694] [2023-12-25 14:12:45,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:45,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:12:45,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 14:12:45,711 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 14:12:45,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-25 14:12:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:47,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 10003 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 14:12:47,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 14:12:48,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1685 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 1191 trivial. 0 not checked. [2023-12-25 14:12:48,184 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 14:12:48,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609204694] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:48,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 14:12:48,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 19 [2023-12-25 14:12:48,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127334202] [2023-12-25 14:12:48,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:48,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 14:12:48,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:48,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 14:12:48,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2023-12-25 14:12:48,187 INFO L87 Difference]: Start difference. First operand 5830 states and 9256 transitions. Second operand has 9 states, 8 states have (on average 137.625) internal successors, (1101), 9 states have internal predecessors, (1101), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-25 14:12:48,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:48,559 INFO L93 Difference]: Finished difference Result 9639 states and 15282 transitions. [2023-12-25 14:12:48,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 14:12:48,560 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 137.625) internal successors, (1101), 9 states have internal predecessors, (1101), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 1531 [2023-12-25 14:12:48,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:48,567 INFO L225 Difference]: With dead ends: 9639 [2023-12-25 14:12:48,567 INFO L226 Difference]: Without dead ends: 5830 [2023-12-25 14:12:48,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1597 GetRequests, 1576 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2023-12-25 14:12:48,571 INFO L413 NwaCegarLoop]: 2275 mSDtfsCounter, 4168 mSDsluCounter, 11341 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4181 SdHoareTripleChecker+Valid, 13616 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:48,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4181 Valid, 13616 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:12:48,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2023-12-25 14:12:48,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 5830. [2023-12-25 14:12:48,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5830 states, 5649 states have (on average 1.5721366613559922) internal successors, (8881), 5649 states have internal predecessors, (8881), 179 states have call successors, (179), 1 states have call predecessors, (179), 1 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2023-12-25 14:12:48,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5830 states to 5830 states and 9239 transitions. [2023-12-25 14:12:48,710 INFO L78 Accepts]: Start accepts. Automaton has 5830 states and 9239 transitions. Word has length 1531 [2023-12-25 14:12:48,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:48,710 INFO L495 AbstractCegarLoop]: Abstraction has 5830 states and 9239 transitions. [2023-12-25 14:12:48,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 137.625) internal successors, (1101), 9 states have internal predecessors, (1101), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-25 14:12:48,711 INFO L276 IsEmpty]: Start isEmpty. Operand 5830 states and 9239 transitions. [2023-12-25 14:12:48,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1534 [2023-12-25 14:12:48,729 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:48,730 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:48,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-25 14:12:48,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:12:48,940 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:48,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:48,941 INFO L85 PathProgramCache]: Analyzing trace with hash 2143722655, now seen corresponding path program 1 times [2023-12-25 14:12:48,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:48,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511599037] [2023-12-25 14:12:48,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:48,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:13:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:13:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:13:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:13:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:13:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 14:13:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-12-25 14:13:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-12-25 14:13:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-12-25 14:13:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-12-25 14:13:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-12-25 14:13:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-12-25 14:13:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2023-12-25 14:13:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 14:13:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1106 [2023-12-25 14:13:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1121 [2023-12-25 14:13:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1136 [2023-12-25 14:13:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1151 [2023-12-25 14:13:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1170 [2023-12-25 14:13:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1189 [2023-12-25 14:13:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1205 [2023-12-25 14:13:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1221 [2023-12-25 14:13:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2023-12-25 14:13:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1243 [2023-12-25 14:13:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2023-12-25 14:13:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2023-12-25 14:13:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1279 [2023-12-25 14:13:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:31,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 381 proven. 5 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:13:31,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:13:31,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511599037] [2023-12-25 14:13:31,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511599037] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 14:13:31,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68408382] [2023-12-25 14:13:31,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:13:31,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:13:31,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 14:13:31,570 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 14:13:31,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-25 14:13:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:33,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 10009 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 14:13:33,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 14:13:33,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 573 proven. 0 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2023-12-25 14:13:33,904 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 14:13:33,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68408382] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:13:33,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 14:13:33,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 19 [2023-12-25 14:13:33,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992482438] [2023-12-25 14:13:33,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:13:33,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 14:13:33,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:13:33,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 14:13:33,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2023-12-25 14:13:33,906 INFO L87 Difference]: Start difference. First operand 5830 states and 9239 transitions. Second operand has 9 states, 8 states have (on average 139.625) internal successors, (1117), 9 states have internal predecessors, (1117), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-25 14:13:34,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:13:34,250 INFO L93 Difference]: Finished difference Result 9319 states and 14752 transitions. [2023-12-25 14:13:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 14:13:34,250 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 139.625) internal successors, (1117), 9 states have internal predecessors, (1117), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 1533 [2023-12-25 14:13:34,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:13:34,257 INFO L225 Difference]: With dead ends: 9319 [2023-12-25 14:13:34,257 INFO L226 Difference]: Without dead ends: 5830 [2023-12-25 14:13:34,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1599 GetRequests, 1578 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2023-12-25 14:13:34,260 INFO L413 NwaCegarLoop]: 2274 mSDtfsCounter, 2111 mSDsluCounter, 11366 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2124 SdHoareTripleChecker+Valid, 13640 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:13:34,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2124 Valid, 13640 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:13:34,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2023-12-25 14:13:34,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 5830. [2023-12-25 14:13:34,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5830 states, 5649 states have (on average 1.569127279164454) internal successors, (8864), 5649 states have internal predecessors, (8864), 179 states have call successors, (179), 1 states have call predecessors, (179), 1 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2023-12-25 14:13:34,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5830 states to 5830 states and 9222 transitions. [2023-12-25 14:13:34,390 INFO L78 Accepts]: Start accepts. Automaton has 5830 states and 9222 transitions. Word has length 1533 [2023-12-25 14:13:34,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:13:34,390 INFO L495 AbstractCegarLoop]: Abstraction has 5830 states and 9222 transitions. [2023-12-25 14:13:34,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 139.625) internal successors, (1117), 9 states have internal predecessors, (1117), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-25 14:13:34,391 INFO L276 IsEmpty]: Start isEmpty. Operand 5830 states and 9222 transitions. [2023-12-25 14:13:34,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1536 [2023-12-25 14:13:34,409 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:13:34,409 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:13:34,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-25 14:13:34,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable99 [2023-12-25 14:13:34,624 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:13:34,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:13:34,625 INFO L85 PathProgramCache]: Analyzing trace with hash -916914261, now seen corresponding path program 1 times [2023-12-25 14:13:34,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:13:34,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217866336] [2023-12-25 14:13:34,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:13:34,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:14:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:14:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:14:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:14:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:14:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 14:14:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-25 14:14:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-12-25 14:14:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 14:14:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-12-25 14:14:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2023-12-25 14:14:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-12-25 14:14:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 14:14:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2023-12-25 14:14:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1107 [2023-12-25 14:14:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2023-12-25 14:14:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2023-12-25 14:14:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2023-12-25 14:14:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1171 [2023-12-25 14:14:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1191 [2023-12-25 14:14:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1207 [2023-12-25 14:14:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1223 [2023-12-25 14:14:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1233 [2023-12-25 14:14:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2023-12-25 14:14:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1257 [2023-12-25 14:14:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1269 [2023-12-25 14:14:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1281 [2023-12-25 14:14:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:23,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1687 backedges. 382 proven. 5 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:14:23,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:14:23,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217866336] [2023-12-25 14:14:23,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217866336] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 14:14:23,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520744951] [2023-12-25 14:14:23,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:23,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:14:23,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 14:14:23,326 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 14:14:23,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-25 14:14:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 10015 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 14:14:25,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 14:14:25,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1687 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 1046 trivial. 0 not checked. [2023-12-25 14:14:25,665 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 14:14:25,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520744951] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:14:25,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 14:14:25,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 19 [2023-12-25 14:14:25,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028775220] [2023-12-25 14:14:25,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:14:25,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 14:14:25,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:14:25,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 14:14:25,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2023-12-25 14:14:25,668 INFO L87 Difference]: Start difference. First operand 5830 states and 9222 transitions. Second operand has 9 states, 8 states have (on average 141.25) internal successors, (1130), 9 states have internal predecessors, (1130), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-25 14:14:26,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:26,108 INFO L93 Difference]: Finished difference Result 9047 states and 14286 transitions. [2023-12-25 14:14:26,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 14:14:26,108 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 141.25) internal successors, (1130), 9 states have internal predecessors, (1130), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 1535 [2023-12-25 14:14:26,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:26,113 INFO L225 Difference]: With dead ends: 9047 [2023-12-25 14:14:26,114 INFO L226 Difference]: Without dead ends: 5830 [2023-12-25 14:14:26,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1601 GetRequests, 1580 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2023-12-25 14:14:26,116 INFO L413 NwaCegarLoop]: 2273 mSDtfsCounter, 2110 mSDsluCounter, 11361 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2123 SdHoareTripleChecker+Valid, 13634 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:14:26,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2123 Valid, 13634 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:14:26,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2023-12-25 14:14:26,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 5830. [2023-12-25 14:14:26,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5830 states, 5649 states have (on average 1.5661178969729155) internal successors, (8847), 5649 states have internal predecessors, (8847), 179 states have call successors, (179), 1 states have call predecessors, (179), 1 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2023-12-25 14:14:26,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5830 states to 5830 states and 9205 transitions. [2023-12-25 14:14:26,254 INFO L78 Accepts]: Start accepts. Automaton has 5830 states and 9205 transitions. Word has length 1535 [2023-12-25 14:14:26,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:26,255 INFO L495 AbstractCegarLoop]: Abstraction has 5830 states and 9205 transitions. [2023-12-25 14:14:26,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 141.25) internal successors, (1130), 9 states have internal predecessors, (1130), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-25 14:14:26,255 INFO L276 IsEmpty]: Start isEmpty. Operand 5830 states and 9205 transitions. [2023-12-25 14:14:26,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1538 [2023-12-25 14:14:26,273 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:26,273 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:14:26,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-25 14:14:26,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2023-12-25 14:14:26,488 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:26,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:26,489 INFO L85 PathProgramCache]: Analyzing trace with hash -358757345, now seen corresponding path program 1 times [2023-12-25 14:14:26,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:26,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813474582] [2023-12-25 14:14:26,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:26,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:15:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:15:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:15:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:15:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:15:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 14:15:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-25 14:15:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-12-25 14:15:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2023-12-25 14:15:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-12-25 14:15:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 14:15:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 14:15:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2023-12-25 14:15:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2023-12-25 14:15:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1108 [2023-12-25 14:15:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2023-12-25 14:15:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1138 [2023-12-25 14:15:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1153 [2023-12-25 14:15:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1172 [2023-12-25 14:15:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1192 [2023-12-25 14:15:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2023-12-25 14:15:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1225 [2023-12-25 14:15:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1235 [2023-12-25 14:15:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1247 [2023-12-25 14:15:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2023-12-25 14:15:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1271 [2023-12-25 14:15:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1283 [2023-12-25 14:15:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:11,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 383 proven. 5 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:15:11,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:15:11,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813474582] [2023-12-25 14:15:11,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813474582] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 14:15:11,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415873440] [2023-12-25 14:15:11,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:15:11,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:15:11,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 14:15:11,573 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 14:15:11,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-25 14:15:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:13,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 10021 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 14:15:13,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 14:15:14,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 701 proven. 0 refuted. 0 times theorem prover too weak. 987 trivial. 0 not checked. [2023-12-25 14:15:14,011 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 14:15:14,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415873440] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:15:14,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 14:15:14,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 19 [2023-12-25 14:15:14,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944417327] [2023-12-25 14:15:14,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:15:14,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 14:15:14,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:15:14,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 14:15:14,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2023-12-25 14:15:14,014 INFO L87 Difference]: Start difference. First operand 5830 states and 9205 transitions. Second operand has 9 states, 8 states have (on average 142.875) internal successors, (1143), 9 states have internal predecessors, (1143), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-25 14:15:14,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:15:14,392 INFO L93 Difference]: Finished difference Result 8775 states and 13820 transitions. [2023-12-25 14:15:14,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 14:15:14,393 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 142.875) internal successors, (1143), 9 states have internal predecessors, (1143), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 1537 [2023-12-25 14:15:14,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:15:14,398 INFO L225 Difference]: With dead ends: 8775 [2023-12-25 14:15:14,398 INFO L226 Difference]: Without dead ends: 5830 [2023-12-25 14:15:14,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1603 GetRequests, 1582 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2023-12-25 14:15:14,401 INFO L413 NwaCegarLoop]: 2272 mSDtfsCounter, 2109 mSDsluCounter, 11341 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2122 SdHoareTripleChecker+Valid, 13613 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 14:15:14,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2122 Valid, 13613 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:15:14,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2023-12-25 14:15:14,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 5830. [2023-12-25 14:15:14,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5830 states, 5649 states have (on average 1.5631085147813772) internal successors, (8830), 5649 states have internal predecessors, (8830), 179 states have call successors, (179), 1 states have call predecessors, (179), 1 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2023-12-25 14:15:14,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5830 states to 5830 states and 9188 transitions. [2023-12-25 14:15:14,532 INFO L78 Accepts]: Start accepts. Automaton has 5830 states and 9188 transitions. Word has length 1537 [2023-12-25 14:15:14,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:15:14,532 INFO L495 AbstractCegarLoop]: Abstraction has 5830 states and 9188 transitions. [2023-12-25 14:15:14,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 142.875) internal successors, (1143), 9 states have internal predecessors, (1143), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-25 14:15:14,532 INFO L276 IsEmpty]: Start isEmpty. Operand 5830 states and 9188 transitions. [2023-12-25 14:15:14,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1540 [2023-12-25 14:15:14,567 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:15:14,567 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:15:14,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-25 14:15:14,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:15:14,778 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:15:14,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:15:14,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1471496475, now seen corresponding path program 1 times [2023-12-25 14:15:14,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:15:14,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130900232] [2023-12-25 14:15:14,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:15:14,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:15:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:15:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:15:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:15:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:15:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 14:15:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-25 14:15:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-12-25 14:15:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-12-25 14:15:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 14:15:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2023-12-25 14:15:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2023-12-25 14:15:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2023-12-25 14:15:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2023-12-25 14:15:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2023-12-25 14:15:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2023-12-25 14:15:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2023-12-25 14:15:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2023-12-25 14:15:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1173 [2023-12-25 14:15:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1193 [2023-12-25 14:15:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2023-12-25 14:15:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1227 [2023-12-25 14:15:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1237 [2023-12-25 14:15:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1249 [2023-12-25 14:15:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1261 [2023-12-25 14:15:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1273 [2023-12-25 14:15:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1285 [2023-12-25 14:15:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:46,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1689 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 1615 trivial. 0 not checked. [2023-12-25 14:15:46,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:15:46,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130900232] [2023-12-25 14:15:46,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130900232] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:15:46,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:15:46,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 14:15:46,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456426692] [2023-12-25 14:15:46,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:15:46,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 14:15:46,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:15:46,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 14:15:46,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-25 14:15:46,798 INFO L87 Difference]: Start difference. First operand 5830 states and 9188 transitions. Second operand has 7 states, 7 states have (on average 158.71428571428572) internal successors, (1111), 7 states have internal predecessors, (1111), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-25 14:15:47,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:15:47,318 INFO L93 Difference]: Finished difference Result 16627 states and 26129 transitions. [2023-12-25 14:15:47,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 14:15:47,318 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 158.71428571428572) internal successors, (1111), 7 states have internal predecessors, (1111), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 1539 [2023-12-25 14:15:47,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:15:47,331 INFO L225 Difference]: With dead ends: 16627 [2023-12-25 14:15:47,332 INFO L226 Difference]: Without dead ends: 13044 [2023-12-25 14:15:47,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-12-25 14:15:47,337 INFO L413 NwaCegarLoop]: 2594 mSDtfsCounter, 10755 mSDsluCounter, 9869 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10776 SdHoareTripleChecker+Valid, 12463 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:15:47,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10776 Valid, 12463 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:15:47,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13044 states. [2023-12-25 14:15:47,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13044 to 5915. [2023-12-25 14:15:47,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5915 states, 5734 states have (on average 1.5577258458318801) internal successors, (8932), 5734 states have internal predecessors, (8932), 179 states have call successors, (179), 1 states have call predecessors, (179), 1 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2023-12-25 14:15:47,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5915 states to 5915 states and 9290 transitions. [2023-12-25 14:15:47,507 INFO L78 Accepts]: Start accepts. Automaton has 5915 states and 9290 transitions. Word has length 1539 [2023-12-25 14:15:47,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:15:47,508 INFO L495 AbstractCegarLoop]: Abstraction has 5915 states and 9290 transitions. [2023-12-25 14:15:47,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 158.71428571428572) internal successors, (1111), 7 states have internal predecessors, (1111), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-25 14:15:47,508 INFO L276 IsEmpty]: Start isEmpty. Operand 5915 states and 9290 transitions. [2023-12-25 14:15:47,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1542 [2023-12-25 14:15:47,526 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:15:47,527 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:15:47,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2023-12-25 14:15:47,527 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:15:47,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:15:47,527 INFO L85 PathProgramCache]: Analyzing trace with hash 708357087, now seen corresponding path program 1 times [2023-12-25 14:15:47,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:15:47,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263439621] [2023-12-25 14:15:47,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:15:47,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms Received shutdown request... [2023-12-25 14:16:05,830 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-25 14:16:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-25 14:16:05,980 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 14:16:05,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2023-12-25 14:16:05,981 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 1542 with TraceHistMax 26,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [263439621] and IpTcStrategyModuleZ3 [1188818034]. [2023-12-25 14:16:05,983 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] [2023-12-25 14:16:05,985 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 14:16:05,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 02:16:05 BoogieIcfgContainer [2023-12-25 14:16:05,986 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 14:16:05,986 INFO L158 Benchmark]: Toolchain (without parser) took 827239.61ms. Allocated memory was 208.7MB in the beginning and 3.7GB in the end (delta: 3.5GB). Free memory was 166.7MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2023-12-25 14:16:05,986 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 208.7MB. Free memory is still 166.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 14:16:05,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 747.66ms. Allocated memory was 208.7MB in the beginning and 284.2MB in the end (delta: 75.5MB). Free memory was 166.7MB in the beginning and 196.9MB in the end (delta: -30.2MB). Peak memory consumption was 92.9MB. Max. memory is 8.0GB. [2023-12-25 14:16:05,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 586.97ms. Allocated memory is still 284.2MB. Free memory was 196.9MB in the beginning and 117.7MB in the end (delta: 79.2MB). Peak memory consumption was 102.8MB. Max. memory is 8.0GB. [2023-12-25 14:16:05,986 INFO L158 Benchmark]: Boogie Preprocessor took 927.34ms. Allocated memory was 284.2MB in the beginning and 568.3MB in the end (delta: 284.2MB). Free memory was 117.7MB in the beginning and 379.9MB in the end (delta: -262.1MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. [2023-12-25 14:16:05,986 INFO L158 Benchmark]: RCFGBuilder took 3482.54ms. Allocated memory was 568.3MB in the beginning and 1.1GB in the end (delta: 492.8MB). Free memory was 379.9MB in the beginning and 605.9MB in the end (delta: -226.0MB). Peak memory consumption was 267.4MB. Max. memory is 8.0GB. [2023-12-25 14:16:05,986 INFO L158 Benchmark]: TraceAbstraction took 821489.03ms. Allocated memory was 1.1GB in the beginning and 3.7GB in the end (delta: 2.7GB). Free memory was 605.3MB in the beginning and 2.0GB in the end (delta: -1.4GB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. [2023-12-25 14:16:05,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 208.7MB. Free memory is still 166.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 747.66ms. Allocated memory was 208.7MB in the beginning and 284.2MB in the end (delta: 75.5MB). Free memory was 166.7MB in the beginning and 196.9MB in the end (delta: -30.2MB). Peak memory consumption was 92.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 586.97ms. Allocated memory is still 284.2MB. Free memory was 196.9MB in the beginning and 117.7MB in the end (delta: 79.2MB). Peak memory consumption was 102.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 927.34ms. Allocated memory was 284.2MB in the beginning and 568.3MB in the end (delta: 284.2MB). Free memory was 117.7MB in the beginning and 379.9MB in the end (delta: -262.1MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. * RCFGBuilder took 3482.54ms. Allocated memory was 568.3MB in the beginning and 1.1GB in the end (delta: 492.8MB). Free memory was 379.9MB in the beginning and 605.9MB in the end (delta: -226.0MB). Peak memory consumption was 267.4MB. Max. memory is 8.0GB. * TraceAbstraction took 821489.03ms. Allocated memory was 1.1GB in the beginning and 3.7GB in the end (delta: 2.7GB). Free memory was 605.3MB in the beginning and 2.0GB in the end (delta: -1.4GB). Peak memory consumption was 2.8GB. 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 analyzing trace of length 1542 with TraceHistMax 26,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [263439621] and IpTcStrategyModuleZ3 [1188818034]. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 1451 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 821.4s, OverallIterations: 104, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.3s, AutomataDifference: 45.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 334843 SdHoareTripleChecker+Valid, 34.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 333938 mSDsluCounter, 635680 SdHoareTripleChecker+Invalid, 28.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 400824 mSDsCounter, 597 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61117 IncrementalHoareTripleChecker+Invalid, 61714 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 597 mSolverCounterUnsat, 234856 mSDtfsCounter, 61117 mSolverCounterSat, 1.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15376 GetRequests, 14786 SyntacticMatches, 0 SemanticMatches, 590 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5915occurred in iteration=103, InterpolantAutomatonStates: 502, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.9s AutomataMinimizationTime, 103 MinimizatonAttempts, 20288 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.3s SsaConstructionTime, 565.8s SatisfiabilityAnalysisTime, 170.0s InterpolantComputationTime, 117996 NumberOfCodeBlocks, 117996 NumberOfCodeBlocksAsserted, 110 NumberOfCheckSat, 117886 ConstructedInterpolants, 0 QuantifiedInterpolants, 638649 SizeOfPredicates, 34 NumberOfNonLiveVariables, 70017 ConjunctsInSsa, 147 ConjunctsInUnsatCore, 110 InterpolantComputations, 103 PerfectInterpolantSequences, 112342/112377 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 [2023-12-25 14:16:06,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0