/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 [2023-12-16 18:54:11,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 18:54:11,615 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-16 18:54:11,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 18:54:11,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 18:54:11,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 18:54:11,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 18:54:11,643 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 18:54:11,643 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 18:54:11,646 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 18:54:11,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 18:54:11,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 18:54:11,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 18:54:11,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 18:54:11,648 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 18:54:11,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 18:54:11,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 18:54:11,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 18:54:11,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 18:54:11,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 18:54:11,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 18:54:11,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 18:54:11,649 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 18:54:11,649 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 18:54:11,649 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 18:54:11,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 18:54:11,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 18:54:11,650 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 18:54:11,650 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 18:54:11,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:54:11,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 18:54:11,651 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 18:54:11,651 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 18:54:11,651 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 18:54:11,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 18:54:11,652 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 18:54:11,652 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 18:54:11,652 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 18:54:11,652 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 18:54:11,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 18:54:11,652 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 18:54:11,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 18:54:11,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 18:54:11,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 18:54:11,848 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 18:54:11,850 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 18:54:11,850 INFO L431 ainManager$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 [2023-12-16 18:54:12,845 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 18:54:13,113 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 18:54:13,113 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d16_e0.c [2023-12-16 18:54:13,130 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58f640109/35dc2ca7e950440db50cc599d70dc4d2/FLAGa89f82f82 [2023-12-16 18:54:13,139 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58f640109/35dc2ca7e950440db50cc599d70dc4d2 [2023-12-16 18:54:13,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 18:54:13,142 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 18:54:13,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 18:54:13,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 18:54:13,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 18:54:13,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:54:13" (1/1) ... [2023-12-16 18:54:13,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1756f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:13, skipping insertion in model container [2023-12-16 18:54:13,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:54:13" (1/1) ... [2023-12-16 18:54:13,212 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 18:54:13,352 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] [2023-12-16 18:54:13,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:54:13,741 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 18:54:13,749 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] [2023-12-16 18:54:13,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:54:13,891 INFO L206 MainTranslator]: Completed translation [2023-12-16 18:54:13,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:13 WrapperNode [2023-12-16 18:54:13,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 18:54:13,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 18:54:13,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 18:54:13,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 18:54:13,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:13" (1/1) ... [2023-12-16 18:54:13,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:13" (1/1) ... [2023-12-16 18:54:14,528 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7700 [2023-12-16 18:54:14,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 18:54:14,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 18:54:14,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 18:54:14,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 18:54:14,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:13" (1/1) ... [2023-12-16 18:54:14,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:13" (1/1) ... [2023-12-16 18:54:14,698 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:13" (1/1) ... [2023-12-16 18:54:14,886 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]. [2023-12-16 18:54:14,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:13" (1/1) ... [2023-12-16 18:54:14,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:13" (1/1) ... [2023-12-16 18:54:15,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:13" (1/1) ... [2023-12-16 18:54:15,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:13" (1/1) ... [2023-12-16 18:54:15,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:13" (1/1) ... [2023-12-16 18:54:15,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:13" (1/1) ... [2023-12-16 18:54:15,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 18:54:15,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 18:54:15,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 18:54:15,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 18:54:15,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:13" (1/1) ... [2023-12-16 18:54:15,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:54:15,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 18:54:15,392 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) [2023-12-16 18:54:15,412 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 [2023-12-16 18:54:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 18:54:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 18:54:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 18:54:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 18:54:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 18:54:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 18:54:15,897 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 18:54:15,899 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 18:54:18,948 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 18:54:19,052 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 18:54:19,052 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 18:54:19,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:54:19 BoogieIcfgContainer [2023-12-16 18:54:19,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 18:54:19,054 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 18:54:19,054 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 18:54:19,056 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 18:54:19,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 06:54:13" (1/3) ... [2023-12-16 18:54:19,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7819548a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:54:19, skipping insertion in model container [2023-12-16 18:54:19,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:13" (2/3) ... [2023-12-16 18:54:19,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7819548a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:54:19, skipping insertion in model container [2023-12-16 18:54:19,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:54:19" (3/3) ... [2023-12-16 18:54:19,058 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n4_w8_d16_e0.c [2023-12-16 18:54:19,071 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 18:54:19,071 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 18:54:19,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 18:54:19,124 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;@41230aa4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 18:54:19,124 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 18:54:19,131 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) [2023-12-16 18:54:19,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2023-12-16 18:54:19,153 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:19,155 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] [2023-12-16 18:54:19,155 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:19,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:19,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1675273939, now seen corresponding path program 1 times [2023-12-16 18:54:19,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:19,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029018957] [2023-12-16 18:54:19,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:19,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:21,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:21,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:21,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:21,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:21,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:21,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-16 18:54:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:21,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-16 18:54:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:21,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-16 18:54:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:21,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-16 18:54:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:21,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-16 18:54:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:21,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-16 18:54:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:21,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-16 18:54:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:21,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-16 18:54:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:21,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:21,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029018957] [2023-12-16 18:54:21,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029018957] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:21,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:21,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:54:21,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110130898] [2023-12-16 18:54:21,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:21,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 18:54:21,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:21,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 18:54:21,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:54:21,781 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) [2023-12-16 18:54:21,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:21,916 INFO L93 Difference]: Finished difference Result 2646 states and 4405 transitions. [2023-12-16 18:54:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:21,918 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 [2023-12-16 18:54:21,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:21,938 INFO L225 Difference]: With dead ends: 2646 [2023-12-16 18:54:21,939 INFO L226 Difference]: Without dead ends: 1451 [2023-12-16 18:54:21,946 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 [2023-12-16 18:54:21,949 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 [2023-12-16 18:54:21,950 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] [2023-12-16 18:54:21,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2023-12-16 18:54:22,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1451. [2023-12-16 18:54:22,030 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) [2023-12-16 18:54:22,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2405 transitions. [2023-12-16 18:54:22,036 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2405 transitions. Word has length 574 [2023-12-16 18:54:22,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:22,039 INFO L495 AbstractCegarLoop]: Abstraction has 1451 states and 2405 transitions. [2023-12-16 18:54:22,039 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) [2023-12-16 18:54:22,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2405 transitions. [2023-12-16 18:54:22,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2023-12-16 18:54:22,049 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:22,050 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] [2023-12-16 18:54:22,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 18:54:22,050 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:22,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:22,051 INFO L85 PathProgramCache]: Analyzing trace with hash -392156631, now seen corresponding path program 1 times [2023-12-16 18:54:22,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:22,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077120660] [2023-12-16 18:54:22,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:22,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-16 18:54:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-16 18:54:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-16 18:54:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-16 18:54:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-16 18:54:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-16 18:54:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-16 18:54:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-16 18:54:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,168 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:23,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:23,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077120660] [2023-12-16 18:54:23,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077120660] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:23,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:23,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:23,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102046824] [2023-12-16 18:54:23,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:23,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:23,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:23,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:23,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:23,171 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) [2023-12-16 18:54:24,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:24,121 INFO L93 Difference]: Finished difference Result 3695 states and 6080 transitions. [2023-12-16 18:54:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 18:54:24,122 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 [2023-12-16 18:54:24,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:24,127 INFO L225 Difference]: With dead ends: 3695 [2023-12-16 18:54:24,127 INFO L226 Difference]: Without dead ends: 1451 [2023-12-16 18:54:24,130 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 [2023-12-16 18:54:24,130 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, 0.8s IncrementalHoareTripleChecker+Time [2023-12-16 18:54:24,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3487 Valid, 9232 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-16 18:54:24,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2023-12-16 18:54:24,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1451. [2023-12-16 18:54:24,149 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) [2023-12-16 18:54:24,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2404 transitions. [2023-12-16 18:54:24,153 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2404 transitions. Word has length 575 [2023-12-16 18:54:24,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:24,153 INFO L495 AbstractCegarLoop]: Abstraction has 1451 states and 2404 transitions. [2023-12-16 18:54:24,154 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) [2023-12-16 18:54:24,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2404 transitions. [2023-12-16 18:54:24,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 577 [2023-12-16 18:54:24,160 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:24,160 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] [2023-12-16 18:54:24,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 18:54:24,161 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:24,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:24,161 INFO L85 PathProgramCache]: Analyzing trace with hash -163062555, now seen corresponding path program 1 times [2023-12-16 18:54:24,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:24,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310390864] [2023-12-16 18:54:24,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:24,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:25,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:25,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:25,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:25,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:25,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:25,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:25,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:25,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:25,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:25,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:25,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:25,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:25,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:25,197 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:25,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:25,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310390864] [2023-12-16 18:54:25,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310390864] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:25,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:25,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:25,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639224890] [2023-12-16 18:54:25,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:25,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:25,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:25,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:25,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:25,200 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) [2023-12-16 18:54:26,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:26,028 INFO L93 Difference]: Finished difference Result 2646 states and 4382 transitions. [2023-12-16 18:54:26,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:26,029 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 [2023-12-16 18:54:26,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:26,034 INFO L225 Difference]: With dead ends: 2646 [2023-12-16 18:54:26,034 INFO L226 Difference]: Without dead ends: 1451 [2023-12-16 18:54:26,035 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 [2023-12-16 18:54:26,036 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 [2023-12-16 18:54:26,036 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] [2023-12-16 18:54:26,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2023-12-16 18:54:26,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1451. [2023-12-16 18:54:26,053 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) [2023-12-16 18:54:26,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2403 transitions. [2023-12-16 18:54:26,056 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2403 transitions. Word has length 576 [2023-12-16 18:54:26,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:26,057 INFO L495 AbstractCegarLoop]: Abstraction has 1451 states and 2403 transitions. [2023-12-16 18:54:26,057 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) [2023-12-16 18:54:26,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2403 transitions. [2023-12-16 18:54:26,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2023-12-16 18:54:26,063 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:26,063 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] [2023-12-16 18:54:26,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 18:54:26,064 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:26,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:26,064 INFO L85 PathProgramCache]: Analyzing trace with hash -952980661, now seen corresponding path program 1 times [2023-12-16 18:54:26,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:26,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186402489] [2023-12-16 18:54:26,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:26,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:26,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:26,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:26,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:26,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:26,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:26,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:26,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:27,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:27,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:27,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:27,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:27,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:27,023 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:27,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:27,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186402489] [2023-12-16 18:54:27,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186402489] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:27,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:27,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:27,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210705374] [2023-12-16 18:54:27,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:27,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:27,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:27,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:27,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:27,031 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) [2023-12-16 18:54:27,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:27,890 INFO L93 Difference]: Finished difference Result 2646 states and 4380 transitions. [2023-12-16 18:54:27,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:27,891 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 [2023-12-16 18:54:27,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:27,896 INFO L225 Difference]: With dead ends: 2646 [2023-12-16 18:54:27,896 INFO L226 Difference]: Without dead ends: 1451 [2023-12-16 18:54:27,898 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 [2023-12-16 18:54:27,898 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 [2023-12-16 18:54:27,899 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] [2023-12-16 18:54:27,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2023-12-16 18:54:27,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1451. [2023-12-16 18:54:27,918 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) [2023-12-16 18:54:27,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2402 transitions. [2023-12-16 18:54:27,922 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2402 transitions. Word has length 577 [2023-12-16 18:54:27,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:27,922 INFO L495 AbstractCegarLoop]: Abstraction has 1451 states and 2402 transitions. [2023-12-16 18:54:27,923 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) [2023-12-16 18:54:27,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2402 transitions. [2023-12-16 18:54:27,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2023-12-16 18:54:27,930 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:27,931 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] [2023-12-16 18:54:27,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 18:54:27,931 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:27,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:27,931 INFO L85 PathProgramCache]: Analyzing trace with hash -745263409, now seen corresponding path program 1 times [2023-12-16 18:54:27,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:27,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983602658] [2023-12-16 18:54:27,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:27,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:28,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:28,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:28,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:28,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:28,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:28,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:28,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:28,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:28,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:28,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:28,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:28,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:28,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:28,884 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:28,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:28,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983602658] [2023-12-16 18:54:28,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983602658] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:28,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:28,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:28,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510459801] [2023-12-16 18:54:28,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:28,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:28,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:28,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:28,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:28,886 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) [2023-12-16 18:54:29,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:29,645 INFO L93 Difference]: Finished difference Result 2646 states and 4378 transitions. [2023-12-16 18:54:29,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:29,648 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 [2023-12-16 18:54:29,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:29,653 INFO L225 Difference]: With dead ends: 2646 [2023-12-16 18:54:29,653 INFO L226 Difference]: Without dead ends: 1451 [2023-12-16 18:54:29,655 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 [2023-12-16 18:54:29,656 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, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 18:54:29,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2197 Valid, 3644 Invalid, 1183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 18:54:29,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2023-12-16 18:54:29,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1451. [2023-12-16 18:54:29,677 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) [2023-12-16 18:54:29,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2401 transitions. [2023-12-16 18:54:29,681 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2401 transitions. Word has length 578 [2023-12-16 18:54:29,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:29,681 INFO L495 AbstractCegarLoop]: Abstraction has 1451 states and 2401 transitions. [2023-12-16 18:54:29,682 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) [2023-12-16 18:54:29,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2401 transitions. [2023-12-16 18:54:29,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2023-12-16 18:54:29,685 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:29,686 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] [2023-12-16 18:54:29,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 18:54:29,686 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:29,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:29,687 INFO L85 PathProgramCache]: Analyzing trace with hash 2019342965, now seen corresponding path program 1 times [2023-12-16 18:54:29,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:29,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959293450] [2023-12-16 18:54:29,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:29,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:30,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:30,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:30,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:30,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:30,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:30,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:30,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:30,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:30,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:30,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:30,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:30,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:30,658 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:30,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:30,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959293450] [2023-12-16 18:54:30,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959293450] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:30,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:30,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:30,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962857262] [2023-12-16 18:54:30,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:30,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:30,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:30,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:30,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:30,661 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) [2023-12-16 18:54:31,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:31,416 INFO L93 Difference]: Finished difference Result 2646 states and 4376 transitions. [2023-12-16 18:54:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:31,417 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 [2023-12-16 18:54:31,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:31,422 INFO L225 Difference]: With dead ends: 2646 [2023-12-16 18:54:31,422 INFO L226 Difference]: Without dead ends: 1451 [2023-12-16 18:54:31,423 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 [2023-12-16 18:54:31,424 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 [2023-12-16 18:54:31,424 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] [2023-12-16 18:54:31,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2023-12-16 18:54:31,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1451. [2023-12-16 18:54:31,441 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) [2023-12-16 18:54:31,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2400 transitions. [2023-12-16 18:54:31,445 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2400 transitions. Word has length 579 [2023-12-16 18:54:31,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:31,445 INFO L495 AbstractCegarLoop]: Abstraction has 1451 states and 2400 transitions. [2023-12-16 18:54:31,446 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) [2023-12-16 18:54:31,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2400 transitions. [2023-12-16 18:54:31,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2023-12-16 18:54:31,449 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:31,449 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] [2023-12-16 18:54:31,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 18:54:31,449 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:31,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:31,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1775305799, now seen corresponding path program 1 times [2023-12-16 18:54:31,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:31,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425937235] [2023-12-16 18:54:31,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:31,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:32,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:32,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:32,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:32,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:32,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:32,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:32,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:32,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:32,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:32,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:32,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:32,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:32,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:32,341 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:32,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:32,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425937235] [2023-12-16 18:54:32,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425937235] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:32,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:32,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:54:32,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499877016] [2023-12-16 18:54:32,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:32,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 18:54:32,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:32,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 18:54:32,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:54:32,343 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) [2023-12-16 18:54:32,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:32,390 INFO L93 Difference]: Finished difference Result 2649 states and 4378 transitions. [2023-12-16 18:54:32,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:32,390 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 [2023-12-16 18:54:32,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:32,395 INFO L225 Difference]: With dead ends: 2649 [2023-12-16 18:54:32,395 INFO L226 Difference]: Without dead ends: 1454 [2023-12-16 18:54:32,397 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 [2023-12-16 18:54:32,399 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 [2023-12-16 18:54:32,399 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] [2023-12-16 18:54:32,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1454 states. [2023-12-16 18:54:32,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1454 to 1453. [2023-12-16 18:54:32,426 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) [2023-12-16 18:54:32,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2402 transitions. [2023-12-16 18:54:32,434 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2402 transitions. Word has length 580 [2023-12-16 18:54:32,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:32,435 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2402 transitions. [2023-12-16 18:54:32,435 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) [2023-12-16 18:54:32,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2402 transitions. [2023-12-16 18:54:32,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2023-12-16 18:54:32,440 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:32,440 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] [2023-12-16 18:54:32,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 18:54:32,440 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:32,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:32,441 INFO L85 PathProgramCache]: Analyzing trace with hash 589665591, now seen corresponding path program 1 times [2023-12-16 18:54:32,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:32,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244267713] [2023-12-16 18:54:32,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:32,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:33,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:33,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:33,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:33,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:33,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:33,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:33,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:33,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:33,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:33,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:33,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:33,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:33,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:33,522 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:33,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:33,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244267713] [2023-12-16 18:54:33,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244267713] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:33,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:33,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:54:33,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486645104] [2023-12-16 18:54:33,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:33,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 18:54:33,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:33,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 18:54:33,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:54:33,524 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) [2023-12-16 18:54:33,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:33,776 INFO L93 Difference]: Finished difference Result 2650 states and 4378 transitions. [2023-12-16 18:54:33,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:33,777 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 [2023-12-16 18:54:33,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:33,782 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:33,782 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:33,784 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 [2023-12-16 18:54:33,785 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 [2023-12-16 18:54:33,786 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] [2023-12-16 18:54:33,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:33,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:33,806 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) [2023-12-16 18:54:33,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2401 transitions. [2023-12-16 18:54:33,810 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2401 transitions. Word has length 581 [2023-12-16 18:54:33,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:33,811 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2401 transitions. [2023-12-16 18:54:33,811 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) [2023-12-16 18:54:33,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2401 transitions. [2023-12-16 18:54:33,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2023-12-16 18:54:33,814 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:33,815 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] [2023-12-16 18:54:33,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 18:54:33,815 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:33,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:33,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1791263427, now seen corresponding path program 1 times [2023-12-16 18:54:33,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:33,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290389724] [2023-12-16 18:54:33,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:33,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:34,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:34,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:34,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:34,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:34,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:34,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:34,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:34,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:34,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:34,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:34,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:34,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:34,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:34,631 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:34,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:34,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290389724] [2023-12-16 18:54:34,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290389724] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:34,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:34,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:34,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298798138] [2023-12-16 18:54:34,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:34,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:34,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:34,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:34,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:34,634 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) [2023-12-16 18:54:34,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:34,869 INFO L93 Difference]: Finished difference Result 2846 states and 4693 transitions. [2023-12-16 18:54:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 18:54:34,871 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 [2023-12-16 18:54:34,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:34,875 INFO L225 Difference]: With dead ends: 2846 [2023-12-16 18:54:34,875 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:34,877 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 [2023-12-16 18:54:34,879 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 [2023-12-16 18:54:34,879 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] [2023-12-16 18:54:34,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:34,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:34,899 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) [2023-12-16 18:54:34,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2400 transitions. [2023-12-16 18:54:34,901 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2400 transitions. Word has length 582 [2023-12-16 18:54:34,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:34,902 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2400 transitions. [2023-12-16 18:54:34,902 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) [2023-12-16 18:54:34,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2400 transitions. [2023-12-16 18:54:34,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2023-12-16 18:54:34,906 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:34,906 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] [2023-12-16 18:54:34,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 18:54:34,907 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:34,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:34,907 INFO L85 PathProgramCache]: Analyzing trace with hash -95160783, now seen corresponding path program 1 times [2023-12-16 18:54:34,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:34,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573967876] [2023-12-16 18:54:34,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:34,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:35,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:35,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:35,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:35,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:35,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:35,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:35,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:35,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:35,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:35,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:35,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:35,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:35,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:35,605 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:35,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:35,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573967876] [2023-12-16 18:54:35,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573967876] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:35,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:35,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:35,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552804467] [2023-12-16 18:54:35,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:35,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:35,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:35,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:35,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:35,608 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) [2023-12-16 18:54:35,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:35,861 INFO L93 Difference]: Finished difference Result 2650 states and 4374 transitions. [2023-12-16 18:54:35,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:35,863 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 [2023-12-16 18:54:35,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:35,867 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:35,867 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:35,869 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 [2023-12-16 18:54:35,869 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 [2023-12-16 18:54:35,870 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] [2023-12-16 18:54:35,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:35,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:35,891 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) [2023-12-16 18:54:35,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2399 transitions. [2023-12-16 18:54:35,893 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2399 transitions. Word has length 583 [2023-12-16 18:54:35,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:35,893 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2399 transitions. [2023-12-16 18:54:35,894 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) [2023-12-16 18:54:35,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2399 transitions. [2023-12-16 18:54:35,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2023-12-16 18:54:35,897 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:35,897 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] [2023-12-16 18:54:35,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-16 18:54:35,898 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:35,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:35,898 INFO L85 PathProgramCache]: Analyzing trace with hash 383963927, now seen corresponding path program 1 times [2023-12-16 18:54:35,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:35,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281599822] [2023-12-16 18:54:35,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:35,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:36,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:36,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:36,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:36,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:36,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:36,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:36,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:36,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:36,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:36,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:36,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:36,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:36,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:36,544 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:36,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:36,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281599822] [2023-12-16 18:54:36,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281599822] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:36,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:36,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:36,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884055544] [2023-12-16 18:54:36,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:36,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:36,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:36,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:36,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:36,546 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) [2023-12-16 18:54:36,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:36,792 INFO L93 Difference]: Finished difference Result 2650 states and 4372 transitions. [2023-12-16 18:54:36,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:36,794 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 [2023-12-16 18:54:36,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:36,798 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:36,798 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:36,799 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 [2023-12-16 18:54:36,800 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 [2023-12-16 18:54:36,800 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] [2023-12-16 18:54:36,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:36,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:36,816 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) [2023-12-16 18:54:36,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2398 transitions. [2023-12-16 18:54:36,818 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2398 transitions. Word has length 584 [2023-12-16 18:54:36,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:36,819 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2398 transitions. [2023-12-16 18:54:36,819 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) [2023-12-16 18:54:36,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2398 transitions. [2023-12-16 18:54:36,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2023-12-16 18:54:36,822 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:36,822 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] [2023-12-16 18:54:36,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 18:54:36,822 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:36,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:36,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1505634101, now seen corresponding path program 1 times [2023-12-16 18:54:36,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:36,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521528287] [2023-12-16 18:54:36,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:36,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:37,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:37,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:37,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:37,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:37,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:37,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:37,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:37,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:37,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:37,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:37,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:37,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:37,484 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:37,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:37,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521528287] [2023-12-16 18:54:37,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521528287] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:37,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:37,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:37,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57456929] [2023-12-16 18:54:37,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:37,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:37,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:37,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:37,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:37,486 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) [2023-12-16 18:54:37,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:37,743 INFO L93 Difference]: Finished difference Result 2650 states and 4370 transitions. [2023-12-16 18:54:37,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:37,744 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 [2023-12-16 18:54:37,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:37,748 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:37,749 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:37,750 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 [2023-12-16 18:54:37,750 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 [2023-12-16 18:54:37,751 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] [2023-12-16 18:54:37,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:37,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:37,773 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) [2023-12-16 18:54:37,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2397 transitions. [2023-12-16 18:54:37,775 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2397 transitions. Word has length 585 [2023-12-16 18:54:37,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:37,775 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2397 transitions. [2023-12-16 18:54:37,776 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) [2023-12-16 18:54:37,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2397 transitions. [2023-12-16 18:54:37,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2023-12-16 18:54:37,781 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:37,781 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] [2023-12-16 18:54:37,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 18:54:37,781 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:37,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:37,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1803452943, now seen corresponding path program 1 times [2023-12-16 18:54:37,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:37,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158002917] [2023-12-16 18:54:37,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:37,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:38,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:38,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:38,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:38,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:38,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:38,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:38,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:38,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:38,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:38,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:38,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:38,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:38,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:38,423 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:38,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:38,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158002917] [2023-12-16 18:54:38,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158002917] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:38,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:38,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:38,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718007102] [2023-12-16 18:54:38,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:38,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:38,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:38,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:38,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:38,425 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) [2023-12-16 18:54:38,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:38,662 INFO L93 Difference]: Finished difference Result 2650 states and 4368 transitions. [2023-12-16 18:54:38,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:38,666 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 [2023-12-16 18:54:38,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:38,670 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:38,670 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:38,672 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 [2023-12-16 18:54:38,673 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 [2023-12-16 18:54:38,673 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] [2023-12-16 18:54:38,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:38,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:38,690 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) [2023-12-16 18:54:38,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2396 transitions. [2023-12-16 18:54:38,692 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2396 transitions. Word has length 586 [2023-12-16 18:54:38,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:38,692 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2396 transitions. [2023-12-16 18:54:38,693 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) [2023-12-16 18:54:38,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2396 transitions. [2023-12-16 18:54:38,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2023-12-16 18:54:38,696 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:38,696 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] [2023-12-16 18:54:38,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 18:54:38,696 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:38,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:38,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1583472823, now seen corresponding path program 1 times [2023-12-16 18:54:38,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:38,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440047500] [2023-12-16 18:54:38,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:38,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:39,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:39,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:39,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:39,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:39,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:39,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:39,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:39,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:39,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:39,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:39,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:39,386 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:39,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:39,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440047500] [2023-12-16 18:54:39,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440047500] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:39,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:39,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:39,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279594381] [2023-12-16 18:54:39,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:39,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:39,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:39,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:39,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:39,388 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) [2023-12-16 18:54:39,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:39,646 INFO L93 Difference]: Finished difference Result 2650 states and 4366 transitions. [2023-12-16 18:54:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:39,647 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 [2023-12-16 18:54:39,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:39,651 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:39,651 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:39,652 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 [2023-12-16 18:54:39,653 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 [2023-12-16 18:54:39,653 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] [2023-12-16 18:54:39,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:39,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:39,673 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) [2023-12-16 18:54:39,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2395 transitions. [2023-12-16 18:54:39,676 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2395 transitions. Word has length 587 [2023-12-16 18:54:39,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:39,676 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2395 transitions. [2023-12-16 18:54:39,677 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) [2023-12-16 18:54:39,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2395 transitions. [2023-12-16 18:54:39,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2023-12-16 18:54:39,680 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:39,681 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] [2023-12-16 18:54:39,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 18:54:39,681 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:39,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:39,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1007038103, now seen corresponding path program 1 times [2023-12-16 18:54:39,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:39,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567938193] [2023-12-16 18:54:39,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:39,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:40,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:40,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:40,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:40,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:40,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:40,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:40,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:40,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:40,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:40,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:40,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:40,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:40,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:40,349 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:40,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:40,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567938193] [2023-12-16 18:54:40,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567938193] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:40,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:40,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:40,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950461189] [2023-12-16 18:54:40,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:40,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:40,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:40,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:40,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:40,351 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) [2023-12-16 18:54:40,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:40,590 INFO L93 Difference]: Finished difference Result 2650 states and 4364 transitions. [2023-12-16 18:54:40,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:40,591 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 [2023-12-16 18:54:40,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:40,595 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:40,595 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:40,596 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 [2023-12-16 18:54:40,597 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 [2023-12-16 18:54:40,597 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] [2023-12-16 18:54:40,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:40,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:40,616 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) [2023-12-16 18:54:40,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2394 transitions. [2023-12-16 18:54:40,618 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2394 transitions. Word has length 588 [2023-12-16 18:54:40,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:40,619 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2394 transitions. [2023-12-16 18:54:40,619 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) [2023-12-16 18:54:40,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2394 transitions. [2023-12-16 18:54:40,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2023-12-16 18:54:40,622 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:40,622 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] [2023-12-16 18:54:40,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-16 18:54:40,623 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:40,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:40,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1883551261, now seen corresponding path program 1 times [2023-12-16 18:54:40,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:40,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456039955] [2023-12-16 18:54:40,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:40,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:41,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:41,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:41,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:41,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:41,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:41,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:41,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:41,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:41,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:41,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:41,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:41,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:41,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:41,308 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:41,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:41,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456039955] [2023-12-16 18:54:41,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456039955] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:41,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:41,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:41,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978027407] [2023-12-16 18:54:41,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:41,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:41,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:41,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:41,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:41,313 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) [2023-12-16 18:54:41,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:41,564 INFO L93 Difference]: Finished difference Result 2650 states and 4362 transitions. [2023-12-16 18:54:41,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:41,565 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 [2023-12-16 18:54:41,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:41,569 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:41,569 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:41,570 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 [2023-12-16 18:54:41,571 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 [2023-12-16 18:54:41,571 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] [2023-12-16 18:54:41,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:41,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:41,587 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) [2023-12-16 18:54:41,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2393 transitions. [2023-12-16 18:54:41,589 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2393 transitions. Word has length 589 [2023-12-16 18:54:41,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:41,589 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2393 transitions. [2023-12-16 18:54:41,589 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) [2023-12-16 18:54:41,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2393 transitions. [2023-12-16 18:54:41,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2023-12-16 18:54:41,593 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:41,593 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] [2023-12-16 18:54:41,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-16 18:54:41,593 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:41,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:41,594 INFO L85 PathProgramCache]: Analyzing trace with hash 257120829, now seen corresponding path program 1 times [2023-12-16 18:54:41,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:41,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133826745] [2023-12-16 18:54:41,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:41,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:42,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:42,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:42,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:42,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:42,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:42,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:42,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:42,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:42,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:42,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:42,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:42,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:42,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:42,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:42,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133826745] [2023-12-16 18:54:42,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133826745] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:42,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:42,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:42,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177624800] [2023-12-16 18:54:42,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:42,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:42,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:42,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:42,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:42,285 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) [2023-12-16 18:54:42,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:42,522 INFO L93 Difference]: Finished difference Result 2650 states and 4360 transitions. [2023-12-16 18:54:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:42,522 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 [2023-12-16 18:54:42,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:42,529 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:42,529 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:42,531 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 [2023-12-16 18:54:42,531 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 [2023-12-16 18:54:42,531 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] [2023-12-16 18:54:42,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:42,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:42,551 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) [2023-12-16 18:54:42,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2392 transitions. [2023-12-16 18:54:42,553 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2392 transitions. Word has length 590 [2023-12-16 18:54:42,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:42,553 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2392 transitions. [2023-12-16 18:54:42,553 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) [2023-12-16 18:54:42,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2392 transitions. [2023-12-16 18:54:42,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2023-12-16 18:54:42,557 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:42,557 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] [2023-12-16 18:54:42,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-16 18:54:42,557 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:42,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:42,558 INFO L85 PathProgramCache]: Analyzing trace with hash 2127541361, now seen corresponding path program 1 times [2023-12-16 18:54:42,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:42,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098385207] [2023-12-16 18:54:42,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:42,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:43,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:43,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:43,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:43,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:43,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:43,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:43,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:43,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:43,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:43,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:43,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:43,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:43,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:43,272 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:43,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:43,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098385207] [2023-12-16 18:54:43,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098385207] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:43,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:43,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:43,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778474803] [2023-12-16 18:54:43,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:43,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:43,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:43,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:43,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:43,274 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) [2023-12-16 18:54:43,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:43,496 INFO L93 Difference]: Finished difference Result 2650 states and 4358 transitions. [2023-12-16 18:54:43,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:43,497 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 [2023-12-16 18:54:43,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:43,500 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:43,500 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:43,501 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 [2023-12-16 18:54:43,503 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 [2023-12-16 18:54:43,504 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] [2023-12-16 18:54:43,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:43,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:43,519 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) [2023-12-16 18:54:43,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2391 transitions. [2023-12-16 18:54:43,521 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2391 transitions. Word has length 591 [2023-12-16 18:54:43,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:43,522 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2391 transitions. [2023-12-16 18:54:43,522 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) [2023-12-16 18:54:43,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2391 transitions. [2023-12-16 18:54:43,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2023-12-16 18:54:43,525 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:43,525 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] [2023-12-16 18:54:43,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-16 18:54:43,526 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:43,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:43,526 INFO L85 PathProgramCache]: Analyzing trace with hash -666623593, now seen corresponding path program 1 times [2023-12-16 18:54:43,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:43,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723210916] [2023-12-16 18:54:43,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:43,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:44,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:44,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723210916] [2023-12-16 18:54:44,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723210916] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:44,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:44,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:44,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077747195] [2023-12-16 18:54:44,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:44,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:44,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:44,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:44,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:44,196 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) [2023-12-16 18:54:44,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:44,414 INFO L93 Difference]: Finished difference Result 2650 states and 4356 transitions. [2023-12-16 18:54:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:44,415 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 [2023-12-16 18:54:44,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:44,417 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:44,417 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:44,419 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 [2023-12-16 18:54:44,419 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 [2023-12-16 18:54:44,419 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] [2023-12-16 18:54:44,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:44,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:44,436 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) [2023-12-16 18:54:44,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2390 transitions. [2023-12-16 18:54:44,438 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2390 transitions. Word has length 592 [2023-12-16 18:54:44,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:44,439 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2390 transitions. [2023-12-16 18:54:44,439 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) [2023-12-16 18:54:44,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2390 transitions. [2023-12-16 18:54:44,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 594 [2023-12-16 18:54:44,443 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:44,443 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] [2023-12-16 18:54:44,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-16 18:54:44,444 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:44,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:44,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1610528629, now seen corresponding path program 1 times [2023-12-16 18:54:44,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:44,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348828451] [2023-12-16 18:54:44,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:44,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:45,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:45,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:45,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:45,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:45,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:45,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:45,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:45,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:45,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:45,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:45,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:45,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:45,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:45,096 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:45,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:45,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348828451] [2023-12-16 18:54:45,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348828451] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:45,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:45,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:45,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978631157] [2023-12-16 18:54:45,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:45,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:45,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:45,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:45,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:45,098 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) [2023-12-16 18:54:45,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:45,371 INFO L93 Difference]: Finished difference Result 2650 states and 4354 transitions. [2023-12-16 18:54:45,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:45,371 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 [2023-12-16 18:54:45,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:45,373 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:45,373 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:45,375 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 [2023-12-16 18:54:45,375 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 [2023-12-16 18:54:45,375 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] [2023-12-16 18:54:45,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:45,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:45,390 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) [2023-12-16 18:54:45,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2389 transitions. [2023-12-16 18:54:45,392 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2389 transitions. Word has length 593 [2023-12-16 18:54:45,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:45,392 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2389 transitions. [2023-12-16 18:54:45,392 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) [2023-12-16 18:54:45,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2389 transitions. [2023-12-16 18:54:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2023-12-16 18:54:45,396 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:45,396 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] [2023-12-16 18:54:45,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-16 18:54:45,396 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:45,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:45,397 INFO L85 PathProgramCache]: Analyzing trace with hash 2106916337, now seen corresponding path program 1 times [2023-12-16 18:54:45,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:45,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875751450] [2023-12-16 18:54:45,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:45,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,065 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:46,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:46,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875751450] [2023-12-16 18:54:46,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875751450] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:46,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:46,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:46,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429416485] [2023-12-16 18:54:46,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:46,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:46,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:46,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:46,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:46,067 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) [2023-12-16 18:54:46,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:46,301 INFO L93 Difference]: Finished difference Result 2650 states and 4352 transitions. [2023-12-16 18:54:46,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:46,302 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 [2023-12-16 18:54:46,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:46,305 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:46,305 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:46,306 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 [2023-12-16 18:54:46,306 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 [2023-12-16 18:54:46,306 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] [2023-12-16 18:54:46,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:46,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:46,326 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) [2023-12-16 18:54:46,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2388 transitions. [2023-12-16 18:54:46,328 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2388 transitions. Word has length 594 [2023-12-16 18:54:46,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:46,331 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2388 transitions. [2023-12-16 18:54:46,331 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) [2023-12-16 18:54:46,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2388 transitions. [2023-12-16 18:54:46,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2023-12-16 18:54:46,334 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:46,335 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] [2023-12-16 18:54:46,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-16 18:54:46,335 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:46,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:46,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1341803895, now seen corresponding path program 1 times [2023-12-16 18:54:46,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:46,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371972067] [2023-12-16 18:54:46,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:46,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:46,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:46,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:47,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:47,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:47,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:47,003 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:47,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:47,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371972067] [2023-12-16 18:54:47,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371972067] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:47,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:47,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:47,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730120352] [2023-12-16 18:54:47,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:47,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:47,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:47,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:47,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:47,007 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) [2023-12-16 18:54:47,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:47,249 INFO L93 Difference]: Finished difference Result 2650 states and 4350 transitions. [2023-12-16 18:54:47,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:47,249 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 [2023-12-16 18:54:47,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:47,252 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:47,252 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:47,253 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 [2023-12-16 18:54:47,254 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 [2023-12-16 18:54:47,254 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] [2023-12-16 18:54:47,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:47,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:47,267 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) [2023-12-16 18:54:47,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2387 transitions. [2023-12-16 18:54:47,269 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2387 transitions. Word has length 595 [2023-12-16 18:54:47,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:47,269 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2387 transitions. [2023-12-16 18:54:47,270 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) [2023-12-16 18:54:47,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2387 transitions. [2023-12-16 18:54:47,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2023-12-16 18:54:47,286 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:47,287 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] [2023-12-16 18:54:47,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-16 18:54:47,287 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:47,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:47,287 INFO L85 PathProgramCache]: Analyzing trace with hash 459943191, now seen corresponding path program 1 times [2023-12-16 18:54:47,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:47,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012761175] [2023-12-16 18:54:47,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:47,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:47,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:47,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:47,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:47,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:47,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:47,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:47,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:47,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:47,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:47,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:47,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:47,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:47,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:47,995 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:47,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:47,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012761175] [2023-12-16 18:54:47,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012761175] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:47,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:47,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:47,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207379908] [2023-12-16 18:54:47,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:47,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:47,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:47,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:47,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:47,997 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) [2023-12-16 18:54:48,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:48,219 INFO L93 Difference]: Finished difference Result 2650 states and 4348 transitions. [2023-12-16 18:54:48,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:48,219 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 [2023-12-16 18:54:48,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:48,222 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:48,222 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:48,223 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 [2023-12-16 18:54:48,224 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 [2023-12-16 18:54:48,224 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] [2023-12-16 18:54:48,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:48,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:48,239 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) [2023-12-16 18:54:48,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2386 transitions. [2023-12-16 18:54:48,241 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2386 transitions. Word has length 596 [2023-12-16 18:54:48,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:48,242 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2386 transitions. [2023-12-16 18:54:48,242 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) [2023-12-16 18:54:48,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2386 transitions. [2023-12-16 18:54:48,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2023-12-16 18:54:48,246 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:48,246 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] [2023-12-16 18:54:48,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-16 18:54:48,246 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:48,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:48,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1283373879, now seen corresponding path program 1 times [2023-12-16 18:54:48,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:48,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695266173] [2023-12-16 18:54:48,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:48,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,247 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:49,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:49,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695266173] [2023-12-16 18:54:49,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695266173] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:49,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:49,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:54:49,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098506392] [2023-12-16 18:54:49,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:49,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 18:54:49,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:49,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 18:54:49,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:54:49,250 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) [2023-12-16 18:54:49,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:49,419 INFO L93 Difference]: Finished difference Result 2650 states and 4346 transitions. [2023-12-16 18:54:49,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:49,420 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 [2023-12-16 18:54:49,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:49,422 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:49,422 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:49,424 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 [2023-12-16 18:54:49,424 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, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 18:54:49,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1888 Valid, 4578 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 18:54:49,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:49,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:49,441 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) [2023-12-16 18:54:49,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2385 transitions. [2023-12-16 18:54:49,442 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2385 transitions. Word has length 597 [2023-12-16 18:54:49,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:49,443 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2385 transitions. [2023-12-16 18:54:49,443 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) [2023-12-16 18:54:49,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2385 transitions. [2023-12-16 18:54:49,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2023-12-16 18:54:49,447 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:49,447 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] [2023-12-16 18:54:49,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-16 18:54:49,447 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:49,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:49,448 INFO L85 PathProgramCache]: Analyzing trace with hash 383467965, now seen corresponding path program 1 times [2023-12-16 18:54:49,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:49,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566949676] [2023-12-16 18:54:49,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:49,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:50,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:50,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:50,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:50,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:50,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:50,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:50,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:50,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:50,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:50,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:50,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:50,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:50,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:50,110 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:50,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:50,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566949676] [2023-12-16 18:54:50,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566949676] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:50,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:50,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:50,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769542996] [2023-12-16 18:54:50,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:50,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:50,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:50,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:50,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:50,112 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) [2023-12-16 18:54:50,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:50,269 INFO L93 Difference]: Finished difference Result 2848 states and 4655 transitions. [2023-12-16 18:54:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 18:54:50,270 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 [2023-12-16 18:54:50,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:50,272 INFO L225 Difference]: With dead ends: 2848 [2023-12-16 18:54:50,272 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:50,274 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 [2023-12-16 18:54:50,274 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 [2023-12-16 18:54:50,274 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] [2023-12-16 18:54:50,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:50,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:50,289 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) [2023-12-16 18:54:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2384 transitions. [2023-12-16 18:54:50,291 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2384 transitions. Word has length 598 [2023-12-16 18:54:50,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:50,292 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2384 transitions. [2023-12-16 18:54:50,292 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) [2023-12-16 18:54:50,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2384 transitions. [2023-12-16 18:54:50,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2023-12-16 18:54:50,295 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:50,295 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] [2023-12-16 18:54:50,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-16 18:54:50,296 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:50,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:50,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1890617475, now seen corresponding path program 1 times [2023-12-16 18:54:50,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:50,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728132710] [2023-12-16 18:54:50,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:50,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:50,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:50,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,060 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:51,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:51,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728132710] [2023-12-16 18:54:51,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728132710] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:51,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:51,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:51,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842818271] [2023-12-16 18:54:51,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:51,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:51,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:51,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:51,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:51,065 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) [2023-12-16 18:54:51,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:51,221 INFO L93 Difference]: Finished difference Result 2650 states and 4342 transitions. [2023-12-16 18:54:51,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:51,222 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 [2023-12-16 18:54:51,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:51,224 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:51,224 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:51,225 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 [2023-12-16 18:54:51,225 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 [2023-12-16 18:54:51,227 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] [2023-12-16 18:54:51,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:51,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:51,245 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) [2023-12-16 18:54:51,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2383 transitions. [2023-12-16 18:54:51,246 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2383 transitions. Word has length 599 [2023-12-16 18:54:51,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:51,247 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2383 transitions. [2023-12-16 18:54:51,247 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) [2023-12-16 18:54:51,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2383 transitions. [2023-12-16 18:54:51,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2023-12-16 18:54:51,251 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:51,251 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] [2023-12-16 18:54:51,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-16 18:54:51,251 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:51,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:51,251 INFO L85 PathProgramCache]: Analyzing trace with hash 310312983, now seen corresponding path program 1 times [2023-12-16 18:54:51,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:51,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152717533] [2023-12-16 18:54:51,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:51,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:51,906 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:51,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:51,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152717533] [2023-12-16 18:54:51,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152717533] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:51,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:51,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:51,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707186913] [2023-12-16 18:54:51,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:51,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:51,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:51,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:51,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:51,908 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) [2023-12-16 18:54:52,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:52,073 INFO L93 Difference]: Finished difference Result 2650 states and 4340 transitions. [2023-12-16 18:54:52,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:52,073 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 [2023-12-16 18:54:52,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:52,075 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:52,075 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:52,077 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 [2023-12-16 18:54:52,077 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 [2023-12-16 18:54:52,077 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] [2023-12-16 18:54:52,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:52,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:52,091 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) [2023-12-16 18:54:52,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2382 transitions. [2023-12-16 18:54:52,092 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2382 transitions. Word has length 600 [2023-12-16 18:54:52,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:52,093 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2382 transitions. [2023-12-16 18:54:52,093 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) [2023-12-16 18:54:52,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2382 transitions. [2023-12-16 18:54:52,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2023-12-16 18:54:52,096 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:52,096 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] [2023-12-16 18:54:52,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-16 18:54:52,097 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:52,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:52,097 INFO L85 PathProgramCache]: Analyzing trace with hash 925261597, now seen corresponding path program 1 times [2023-12-16 18:54:52,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:52,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637145641] [2023-12-16 18:54:52,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:52,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,821 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:52,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:52,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637145641] [2023-12-16 18:54:52,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637145641] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:52,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:52,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:52,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216804295] [2023-12-16 18:54:52,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:52,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:52,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:52,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:52,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:52,823 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) [2023-12-16 18:54:52,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:52,971 INFO L93 Difference]: Finished difference Result 2650 states and 4338 transitions. [2023-12-16 18:54:52,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:52,972 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 [2023-12-16 18:54:52,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:52,974 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:52,974 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:52,975 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 [2023-12-16 18:54:52,976 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 [2023-12-16 18:54:52,976 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] [2023-12-16 18:54:52,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:53,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:53,034 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) [2023-12-16 18:54:53,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2381 transitions. [2023-12-16 18:54:53,036 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2381 transitions. Word has length 601 [2023-12-16 18:54:53,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:53,036 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2381 transitions. [2023-12-16 18:54:53,036 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) [2023-12-16 18:54:53,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2381 transitions. [2023-12-16 18:54:53,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2023-12-16 18:54:53,039 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:53,040 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] [2023-12-16 18:54:53,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-16 18:54:53,040 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:53,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:53,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1441967293, now seen corresponding path program 1 times [2023-12-16 18:54:53,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:53,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331808695] [2023-12-16 18:54:53,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:53,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:53,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:53,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:53,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:53,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:53,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:53,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:53,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:53,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:53,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:53,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:53,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:53,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:53,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:53,698 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:53,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:53,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331808695] [2023-12-16 18:54:53,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331808695] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:53,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:53,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:53,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243401943] [2023-12-16 18:54:53,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:53,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:53,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:53,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:53,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:53,700 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) [2023-12-16 18:54:53,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:53,858 INFO L93 Difference]: Finished difference Result 2650 states and 4336 transitions. [2023-12-16 18:54:53,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:53,858 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 [2023-12-16 18:54:53,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:53,861 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:53,861 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:53,862 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 [2023-12-16 18:54:53,863 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 [2023-12-16 18:54:53,863 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] [2023-12-16 18:54:53,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:53,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:53,878 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) [2023-12-16 18:54:53,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2380 transitions. [2023-12-16 18:54:53,879 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2380 transitions. Word has length 602 [2023-12-16 18:54:53,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:53,880 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2380 transitions. [2023-12-16 18:54:53,880 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) [2023-12-16 18:54:53,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2380 transitions. [2023-12-16 18:54:53,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2023-12-16 18:54:53,883 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:53,884 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] [2023-12-16 18:54:53,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-16 18:54:53,884 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:53,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:53,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1327192765, now seen corresponding path program 1 times [2023-12-16 18:54:53,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:53,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114918702] [2023-12-16 18:54:53,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:53,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,617 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:54,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:54,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114918702] [2023-12-16 18:54:54,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114918702] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:54,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:54,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:54,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772013387] [2023-12-16 18:54:54,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:54,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:54,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:54,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:54,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:54,619 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) [2023-12-16 18:54:54,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:54,767 INFO L93 Difference]: Finished difference Result 2650 states and 4334 transitions. [2023-12-16 18:54:54,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:54,768 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 [2023-12-16 18:54:54,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:54,770 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:54,770 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:54,771 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 [2023-12-16 18:54:54,772 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 [2023-12-16 18:54:54,772 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] [2023-12-16 18:54:54,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:54,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:54,790 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) [2023-12-16 18:54:54,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2379 transitions. [2023-12-16 18:54:54,791 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2379 transitions. Word has length 603 [2023-12-16 18:54:54,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:54,792 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2379 transitions. [2023-12-16 18:54:54,792 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) [2023-12-16 18:54:54,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2379 transitions. [2023-12-16 18:54:54,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2023-12-16 18:54:54,795 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:54,796 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] [2023-12-16 18:54:54,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-16 18:54:54,796 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:54,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:54,796 INFO L85 PathProgramCache]: Analyzing trace with hash 63010455, now seen corresponding path program 1 times [2023-12-16 18:54:54,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:54,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025793362] [2023-12-16 18:54:54,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:54,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:55,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:55,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:55,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:55,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:55,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:55,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:55,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:55,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:55,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:55,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:55,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:55,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:55,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:55,554 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:55,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:55,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025793362] [2023-12-16 18:54:55,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025793362] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:55,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:55,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:55,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571535732] [2023-12-16 18:54:55,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:55,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:55,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:55,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:55,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:55,556 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) [2023-12-16 18:54:55,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:55,700 INFO L93 Difference]: Finished difference Result 2650 states and 4332 transitions. [2023-12-16 18:54:55,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:55,700 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 [2023-12-16 18:54:55,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:55,702 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:55,702 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:55,704 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 [2023-12-16 18:54:55,704 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 [2023-12-16 18:54:55,704 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] [2023-12-16 18:54:55,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:55,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:55,719 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) [2023-12-16 18:54:55,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2378 transitions. [2023-12-16 18:54:55,720 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2378 transitions. Word has length 604 [2023-12-16 18:54:55,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:55,722 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2378 transitions. [2023-12-16 18:54:55,722 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) [2023-12-16 18:54:55,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2378 transitions. [2023-12-16 18:54:55,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-16 18:54:55,725 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:55,726 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, 1] [2023-12-16 18:54:55,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-16 18:54:55,726 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:55,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:55,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1291506999, now seen corresponding path program 1 times [2023-12-16 18:54:55,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:55,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334740689] [2023-12-16 18:54:55,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:55,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:56,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:56,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:56,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:56,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:56,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:56,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:56,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:56,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:56,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:56,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:56,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:56,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:56,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:56,937 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:56,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:56,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334740689] [2023-12-16 18:54:56,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334740689] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:56,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:56,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:56,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617388710] [2023-12-16 18:54:56,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:56,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:56,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:56,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:56,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:56,939 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) [2023-12-16 18:54:57,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:57,085 INFO L93 Difference]: Finished difference Result 2650 states and 4330 transitions. [2023-12-16 18:54:57,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:57,085 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 [2023-12-16 18:54:57,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:57,087 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:57,087 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:57,089 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 [2023-12-16 18:54:57,089 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 [2023-12-16 18:54:57,089 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] [2023-12-16 18:54:57,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:57,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:57,102 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) [2023-12-16 18:54:57,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2377 transitions. [2023-12-16 18:54:57,103 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2377 transitions. Word has length 605 [2023-12-16 18:54:57,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:57,103 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2377 transitions. [2023-12-16 18:54:57,104 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) [2023-12-16 18:54:57,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2377 transitions. [2023-12-16 18:54:57,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-16 18:54:57,107 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:57,107 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] [2023-12-16 18:54:57,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-16 18:54:57,107 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:57,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:57,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1916500747, now seen corresponding path program 1 times [2023-12-16 18:54:57,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:57,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561685542] [2023-12-16 18:54:57,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:57,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:58,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:58,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:58,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:58,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:58,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:58,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:58,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:58,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:58,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:58,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:58,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:58,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:58,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:58,360 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:58,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:58,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561685542] [2023-12-16 18:54:58,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561685542] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:58,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:58,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:58,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349844306] [2023-12-16 18:54:58,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:58,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:58,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:58,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:58,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:58,362 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) [2023-12-16 18:54:58,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:58,503 INFO L93 Difference]: Finished difference Result 2650 states and 4328 transitions. [2023-12-16 18:54:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:58,503 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 [2023-12-16 18:54:58,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:58,505 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:58,505 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:58,507 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 [2023-12-16 18:54:58,507 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 [2023-12-16 18:54:58,507 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] [2023-12-16 18:54:58,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:58,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:58,521 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) [2023-12-16 18:54:58,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2376 transitions. [2023-12-16 18:54:58,522 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2376 transitions. Word has length 605 [2023-12-16 18:54:58,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:58,523 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2376 transitions. [2023-12-16 18:54:58,523 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) [2023-12-16 18:54:58,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2376 transitions. [2023-12-16 18:54:58,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-16 18:54:58,526 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:58,526 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] [2023-12-16 18:54:58,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-16 18:54:58,527 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:58,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:58,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1267907977, now seen corresponding path program 1 times [2023-12-16 18:54:58,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:58,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578758576] [2023-12-16 18:54:58,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:58,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:59,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-16 18:54:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:59,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-16 18:54:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:59,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-16 18:54:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:59,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-16 18:54:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:59,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-16 18:54:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:59,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-16 18:54:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:59,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-16 18:54:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:59,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-16 18:54:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:59,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-16 18:54:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:59,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-16 18:54:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:59,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-16 18:54:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:59,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-16 18:54:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:59,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-16 18:54:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:59,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:59,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578758576] [2023-12-16 18:54:59,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578758576] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:59,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:59,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:59,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217874297] [2023-12-16 18:54:59,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:59,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:59,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:59,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:59,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:59,639 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) [2023-12-16 18:54:59,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:59,778 INFO L93 Difference]: Finished difference Result 2650 states and 4326 transitions. [2023-12-16 18:54:59,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:59,778 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 [2023-12-16 18:54:59,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:59,781 INFO L225 Difference]: With dead ends: 2650 [2023-12-16 18:54:59,781 INFO L226 Difference]: Without dead ends: 1453 [2023-12-16 18:54:59,782 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 [2023-12-16 18:54:59,782 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 [2023-12-16 18:54:59,783 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] [2023-12-16 18:54:59,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-16 18:54:59,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2023-12-16 18:54:59,796 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) [2023-12-16 18:54:59,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2375 transitions. [2023-12-16 18:54:59,797 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2375 transitions. Word has length 605 [2023-12-16 18:54:59,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:59,798 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2375 transitions. [2023-12-16 18:54:59,798 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) [2023-12-16 18:54:59,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2375 transitions. [2023-12-16 18:54:59,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-16 18:54:59,801 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:59,801 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] [2023-12-16 18:54:59,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-12-16 18:54:59,802 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:59,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:59,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1184583605, now seen corresponding path program 1 times [2023-12-16 18:54:59,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:59,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039210182] [2023-12-16 18:54:59,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:59,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:55:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-12-16 18:55:00,756 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 [2023-12-16 18:55:00,788 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,788 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,789 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,789 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,789 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,789 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,789 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,790 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,790 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,790 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,790 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,790 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,791 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,791 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,791 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,791 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,792 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,792 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,792 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,792 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,792 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,793 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,793 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,793 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,793 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,794 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,794 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,794 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,794 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,794 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,794 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,795 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,795 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,795 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,795 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,795 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,795 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,795 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,796 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,796 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,796 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,796 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,796 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,796 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,796 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,797 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,797 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,797 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,797 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,797 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,797 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,797 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,798 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,798 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,798 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,798 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,798 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,798 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,798 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,799 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,799 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,799 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,799 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,799 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,799 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,799 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,800 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,800 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,800 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,800 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,800 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,800 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,800 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,801 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,801 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,801 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,801 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,801 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,801 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,801 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,801 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,802 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,802 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,802 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,802 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,802 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,802 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,802 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,803 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,803 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,803 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,803 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,803 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,803 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,803 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,803 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,804 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,804 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,804 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,804 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,804 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,804 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,804 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,805 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,805 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,805 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,805 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,805 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,805 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,805 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,806 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,806 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,806 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,806 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,806 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,806 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,806 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,807 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,807 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,807 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,807 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,807 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,807 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,807 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,808 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,808 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,808 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,808 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,808 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,808 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,808 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,809 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,809 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,809 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,809 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,809 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,809 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,809 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,809 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,810 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,810 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,810 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,810 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,810 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,810 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,810 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,811 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,811 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,811 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,811 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,811 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,811 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,811 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,811 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,812 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,812 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,812 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,812 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,812 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,812 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,812 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,813 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,813 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,813 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,813 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,813 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,813 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,813 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,814 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,814 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,814 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,814 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,814 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,814 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,814 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,815 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,815 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,815 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,815 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,815 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,815 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,816 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,816 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,816 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,816 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,816 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,816 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,816 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,817 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,817 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,817 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,817 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,817 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,817 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,818 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,818 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,818 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,818 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,818 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,818 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,819 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,819 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,819 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,819 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,819 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,819 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,819 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,820 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,820 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,820 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,820 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,820 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,820 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,821 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,821 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,821 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,821 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,821 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,821 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,821 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,822 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,822 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,822 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,822 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,822 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,822 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,822 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,823 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,823 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,823 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,823 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,823 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,823 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,824 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,824 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,824 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,824 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,824 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,825 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,825 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,825 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,825 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,825 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,825 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,826 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,826 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,826 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,826 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,826 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,826 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,826 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,827 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,827 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,827 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,827 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,829 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,830 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,830 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,830 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,830 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,830 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,830 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,831 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,831 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,831 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,831 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,831 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,831 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,831 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,832 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,832 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,832 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,832 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,832 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,832 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,833 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,833 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,833 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,833 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,833 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,833 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,833 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,834 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,835 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,835 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,835 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,835 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,835 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,835 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,836 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,836 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,836 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,836 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,836 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,836 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,836 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,837 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,837 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,837 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,837 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,837 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,837 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,838 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,838 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,838 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,838 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,838 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,838 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,838 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,839 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,839 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,839 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,839 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,839 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,839 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,839 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,840 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,840 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,840 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,840 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,840 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,840 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,841 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,841 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,841 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,841 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,841 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,841 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,842 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,842 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,842 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,842 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,842 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,842 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,842 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,843 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,843 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,843 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,843 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,843 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,843 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,843 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,844 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,844 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,844 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,845 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,845 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,845 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,845 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,845 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,845 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,845 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,846 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,846 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,846 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,846 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,846 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,846 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,846 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,847 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,847 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,847 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,847 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,847 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,847 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,847 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,848 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,848 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,848 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,848 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,848 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,848 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,848 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,849 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,849 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,849 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,849 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,849 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,849 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,849 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,850 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,850 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,850 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,850 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,851 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,851 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,851 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,851 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,851 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,851 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,852 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,852 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,852 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,852 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,852 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,852 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,852 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,853 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,853 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,853 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,853 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,854 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,854 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,854 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,854 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,854 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,854 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,854 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,855 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,855 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,855 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,855 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,855 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,855 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,855 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,856 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,856 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,856 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,856 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,856 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,856 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,857 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,857 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,857 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,857 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,857 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,857 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,857 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,858 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,858 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,858 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,858 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,858 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,858 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,858 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,859 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,859 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,859 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,859 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,859 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,859 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,859 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,860 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,860 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,860 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,860 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,860 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,860 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,860 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,861 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,861 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,861 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,861 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,862 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,862 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,862 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,862 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,862 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,862 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,863 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,863 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,863 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,863 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,863 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,863 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,863 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,864 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,864 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,864 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,864 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,864 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,864 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,864 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,865 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,865 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,865 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,865 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,865 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,865 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,865 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,866 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,866 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,866 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,866 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,866 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,866 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,866 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,867 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,867 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,867 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,867 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,867 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,867 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,867 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,868 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,868 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,868 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,868 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,868 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,868 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,868 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,869 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,869 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,869 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,869 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,870 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,870 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,870 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,870 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,870 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,870 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,870 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,870 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,871 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,871 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,871 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,871 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,871 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,871 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,871 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,871 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,871 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,872 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,872 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,872 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,872 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,872 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,872 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,872 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,872 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,872 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,873 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,873 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,873 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,873 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,873 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,873 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,873 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,873 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,873 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,874 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,874 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,874 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,874 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,874 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,874 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,874 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,874 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,875 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,875 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,875 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,875 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,875 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-16 18:55:00,888 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 18:55:00,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-12-16 18:55:00,888 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 606 with TraceHistMax 13,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 604 interpolants. [2023-12-16 18:55:00,891 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] [2023-12-16 18:55:00,895 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 18:55:00,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 06:55:00 BoogieIcfgContainer [2023-12-16 18:55:00,898 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 18:55:00,898 INFO L158 Benchmark]: Toolchain (without parser) took 47756.29ms. Allocated memory was 284.2MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 229.0MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2023-12-16 18:55:00,899 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 206.6MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 18:55:00,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 748.60ms. Allocated memory is still 284.2MB. Free memory was 228.8MB in the beginning and 167.2MB in the end (delta: 61.6MB). Peak memory consumption was 63.0MB. Max. memory is 8.0GB. [2023-12-16 18:55:00,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 636.70ms. Allocated memory was 284.2MB in the beginning and 568.3MB in the end (delta: 284.2MB). Free memory was 167.2MB in the beginning and 415.1MB in the end (delta: -248.0MB). Peak memory consumption was 170.0MB. Max. memory is 8.0GB. [2023-12-16 18:55:00,905 INFO L158 Benchmark]: Boogie Preprocessor took 838.07ms. Allocated memory is still 568.3MB. Free memory was 415.1MB in the beginning and 366.8MB in the end (delta: 48.3MB). Peak memory consumption was 80.7MB. Max. memory is 8.0GB. [2023-12-16 18:55:00,907 INFO L158 Benchmark]: RCFGBuilder took 3684.29ms. Allocated memory was 568.3MB in the beginning and 1.4GB in the end (delta: 857.7MB). Free memory was 366.8MB in the beginning and 1.0GB in the end (delta: -664.9MB). Peak memory consumption was 195.0MB. Max. memory is 8.0GB. [2023-12-16 18:55:00,907 INFO L158 Benchmark]: TraceAbstraction took 41844.15ms. Allocated memory was 1.4GB in the beginning and 2.1GB in the end (delta: 660.6MB). Free memory was 1.0GB in the beginning and 1.5GB in the end (delta: -466.0MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-12-16 18:55:00,908 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 206.6MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 748.60ms. Allocated memory is still 284.2MB. Free memory was 228.8MB in the beginning and 167.2MB in the end (delta: 61.6MB). Peak memory consumption was 63.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 636.70ms. Allocated memory was 284.2MB in the beginning and 568.3MB in the end (delta: 284.2MB). Free memory was 167.2MB in the beginning and 415.1MB in the end (delta: -248.0MB). Peak memory consumption was 170.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 838.07ms. Allocated memory is still 568.3MB. Free memory was 415.1MB in the beginning and 366.8MB in the end (delta: 48.3MB). Peak memory consumption was 80.7MB. Max. memory is 8.0GB. * RCFGBuilder took 3684.29ms. Allocated memory was 568.3MB in the beginning and 1.4GB in the end (delta: 857.7MB). Free memory was 366.8MB in the beginning and 1.0GB in the end (delta: -664.9MB). Peak memory consumption was 195.0MB. Max. memory is 8.0GB. * TraceAbstraction took 41844.15ms. Allocated memory was 1.4GB in the beginning and 2.1GB in the end (delta: 660.6MB). Free memory was 1.0GB in the beginning and 1.5GB in the end (delta: -466.0MB). Peak memory consumption was 1.1GB. 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 606 with TraceHistMax 13,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 604 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 1451 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 41.8s, OverallIterations: 35, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 97397 SdHoareTripleChecker+Valid, 8.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 97070 mSDsluCounter, 165534 SdHoareTripleChecker+Invalid, 6.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88512 mSDsCounter, 194 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12382 IncrementalHoareTripleChecker+Invalid, 12576 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 194 mSolverCounterUnsat, 77022 mSDtfsCounter, 12382 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1064 GetRequests, 928 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1453occurred in iteration=7, InterpolantAutomatonStates: 142, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 34 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 6.9s SatisfiabilityAnalysisTime, 20.5s InterpolantComputationTime, 20074 NumberOfCodeBlocks, 20074 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 20040 ConstructedInterpolants, 0 QuantifiedInterpolants, 83846 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 34 PerfectInterpolantSequences, 10608/10608 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