/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_n3_w8_d16_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 13:47:10,348 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 13:47:10,415 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-25 13:47:10,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 13:47:10,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 13:47:10,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 13:47:10,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 13:47:10,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 13:47:10,444 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 13:47:10,447 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 13:47:10,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 13:47:10,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 13:47:10,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 13:47:10,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 13:47:10,449 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 13:47:10,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 13:47:10,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 13:47:10,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-25 13:47:10,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 13:47:10,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 13:47:10,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 13:47:10,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 13:47:10,451 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 13:47:10,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 13:47:10,451 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 13:47:10,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 13:47:10,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 13:47:10,452 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 13:47:10,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 13:47:10,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 13:47:10,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 13:47:10,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 13:47:10,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 13:47:10,453 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-25 13:47:10,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-25 13:47:10,454 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 13:47:10,454 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 13:47:10,454 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 13:47:10,454 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 13:47:10,454 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 13:47:10,454 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-25 13:47:10,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 13:47:10,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 13:47:10,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 13:47:10,659 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 13:47:10,660 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 13:47:10,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d16_e0.c [2023-12-25 13:47:11,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 13:47:11,907 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 13:47:11,908 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d16_e0.c [2023-12-25 13:47:11,930 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6ee7c954/bd80ccb818784fd69745d8a0c88e7df5/FLAG16ebc1f4a [2023-12-25 13:47:11,942 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6ee7c954/bd80ccb818784fd69745d8a0c88e7df5 [2023-12-25 13:47:11,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 13:47:11,945 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 13:47:11,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 13:47:11,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 13:47:11,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 13:47:11,953 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 01:47:11" (1/1) ... [2023-12-25 13:47:11,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e28c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:47:11, skipping insertion in model container [2023-12-25 13:47:11,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 01:47:11" (1/1) ... [2023-12-25 13:47:12,037 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 13:47:12,174 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_n3_w8_d16_e0.c[1270,1283] [2023-12-25 13:47:12,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 13:47:12,445 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 13:47:12,453 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_n3_w8_d16_e0.c[1270,1283] [2023-12-25 13:47:12,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 13:47:12,695 INFO L206 MainTranslator]: Completed translation [2023-12-25 13:47:12,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:47:12 WrapperNode [2023-12-25 13:47:12,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 13:47:12,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 13:47:12,696 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 13:47:12,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 13:47:12,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:47:12" (1/1) ... [2023-12-25 13:47:12,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:47:12" (1/1) ... [2023-12-25 13:47:13,111 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5928 [2023-12-25 13:47:13,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 13:47:13,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 13:47:13,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 13:47:13,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 13:47:13,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:47:12" (1/1) ... [2023-12-25 13:47:13,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:47:12" (1/1) ... [2023-12-25 13:47:13,310 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:47:12" (1/1) ... [2023-12-25 13:47:13,478 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-25 13:47:13,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:47:12" (1/1) ... [2023-12-25 13:47:13,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:47:12" (1/1) ... [2023-12-25 13:47:13,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:47:12" (1/1) ... [2023-12-25 13:47:13,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:47:12" (1/1) ... [2023-12-25 13:47:13,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:47:12" (1/1) ... [2023-12-25 13:47:13,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:47:12" (1/1) ... [2023-12-25 13:47:13,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 13:47:13,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 13:47:13,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 13:47:13,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 13:47:13,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:47:12" (1/1) ... [2023-12-25 13:47:13,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 13:47:13,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 13:47:13,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-25 13:47:13,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-25 13:47:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 13:47:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-25 13:47:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-25 13:47:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-25 13:47:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 13:47:13,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 13:47:14,174 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 13:47:14,176 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 13:47:16,461 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 13:47:16,522 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 13:47:16,522 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-25 13:47:16,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 01:47:16 BoogieIcfgContainer [2023-12-25 13:47:16,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 13:47:16,524 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 13:47:16,524 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 13:47:16,526 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 13:47:16,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 01:47:11" (1/3) ... [2023-12-25 13:47:16,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca1f7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 01:47:16, skipping insertion in model container [2023-12-25 13:47:16,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:47:12" (2/3) ... [2023-12-25 13:47:16,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca1f7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 01:47:16, skipping insertion in model container [2023-12-25 13:47:16,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 01:47:16" (3/3) ... [2023-12-25 13:47:16,527 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n3_w8_d16_e0.c [2023-12-25 13:47:16,538 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 13:47:16,538 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 13:47:16,576 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 13:47:16,580 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;@4d79cafe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 13:47:16,580 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 13:47:16,585 INFO L276 IsEmpty]: Start isEmpty. Operand has 1118 states, 1105 states have (on average 1.6597285067873304) internal successors, (1834), 1106 states have internal predecessors, (1834), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:16,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2023-12-25 13:47:16,601 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:16,602 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:16,602 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:16,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:16,606 INFO L85 PathProgramCache]: Analyzing trace with hash 278994165, now seen corresponding path program 1 times [2023-12-25 13:47:16,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:16,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008078263] [2023-12-25 13:47:16,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:16,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:17,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:17,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:17,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:17,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:17,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-12-25 13:47:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:17,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-25 13:47:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:17,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-12-25 13:47:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:17,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-25 13:47:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:17,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-12-25 13:47:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:17,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:47:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:17,112 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:17,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:17,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008078263] [2023-12-25 13:47:17,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008078263] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:17,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:17,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 13:47:17,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296133365] [2023-12-25 13:47:17,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:17,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 13:47:17,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:17,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 13:47:17,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 13:47:17,148 INFO L87 Difference]: Start difference. First operand has 1118 states, 1105 states have (on average 1.6597285067873304) internal successors, (1834), 1106 states have internal predecessors, (1834), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 198.5) internal successors, (397), 2 states have internal predecessors, (397), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 13:47:17,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:17,223 INFO L93 Difference]: Finished difference Result 2038 states and 3391 transitions. [2023-12-25 13:47:17,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 13:47:17,225 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 198.5) internal successors, (397), 2 states have internal predecessors, (397), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 444 [2023-12-25 13:47:17,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:17,240 INFO L225 Difference]: With dead ends: 2038 [2023-12-25 13:47:17,240 INFO L226 Difference]: Without dead ends: 1116 [2023-12-25 13:47:17,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 13:47:17,248 INFO L413 NwaCegarLoop]: 1848 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:17,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1848 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 13:47:17,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2023-12-25 13:47:17,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2023-12-25 13:47:17,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1104 states have (on average 1.6567028985507246) internal successors, (1829), 1104 states have internal predecessors, (1829), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:17,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1849 transitions. [2023-12-25 13:47:17,315 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1849 transitions. Word has length 444 [2023-12-25 13:47:17,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:17,317 INFO L495 AbstractCegarLoop]: Abstraction has 1116 states and 1849 transitions. [2023-12-25 13:47:17,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 198.5) internal successors, (397), 2 states have internal predecessors, (397), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 13:47:17,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1849 transitions. [2023-12-25 13:47:17,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2023-12-25 13:47:17,323 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:17,324 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:17,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-25 13:47:17,325 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:17,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:17,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1578032481, now seen corresponding path program 1 times [2023-12-25 13:47:17,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:17,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383553541] [2023-12-25 13:47:17,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:17,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:18,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:18,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:18,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:18,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:18,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-12-25 13:47:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:18,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-25 13:47:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:18,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-12-25 13:47:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:18,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-25 13:47:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:18,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-12-25 13:47:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:18,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:47:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:18,935 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:18,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:18,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383553541] [2023-12-25 13:47:18,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383553541] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:18,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:18,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:47:18,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003688070] [2023-12-25 13:47:18,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:18,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:47:18,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:18,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:47:18,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:47:18,943 INFO L87 Difference]: Start difference. First operand 1116 states and 1849 transitions. Second operand has 4 states, 4 states have (on average 99.25) internal successors, (397), 4 states have internal predecessors, (397), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:18,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:18,992 INFO L93 Difference]: Finished difference Result 1120 states and 1853 transitions. [2023-12-25 13:47:18,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:18,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 99.25) internal successors, (397), 4 states have internal predecessors, (397), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 444 [2023-12-25 13:47:18,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:18,998 INFO L225 Difference]: With dead ends: 1120 [2023-12-25 13:47:18,998 INFO L226 Difference]: Without dead ends: 1118 [2023-12-25 13:47:18,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:47:18,999 INFO L413 NwaCegarLoop]: 1846 mSDtfsCounter, 1 mSDsluCounter, 3687 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5533 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:19,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5533 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 13:47:19,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2023-12-25 13:47:19,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 1118. [2023-12-25 13:47:19,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1118 states, 1106 states have (on average 1.6555153707052441) internal successors, (1831), 1106 states have internal predecessors, (1831), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:19,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1851 transitions. [2023-12-25 13:47:19,020 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1851 transitions. Word has length 444 [2023-12-25 13:47:19,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:19,022 INFO L495 AbstractCegarLoop]: Abstraction has 1118 states and 1851 transitions. [2023-12-25 13:47:19,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 99.25) internal successors, (397), 4 states have internal predecessors, (397), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:19,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1851 transitions. [2023-12-25 13:47:19,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2023-12-25 13:47:19,028 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:19,029 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:19,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-25 13:47:19,033 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:19,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:19,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1676093903, now seen corresponding path program 1 times [2023-12-25 13:47:19,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:19,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25082935] [2023-12-25 13:47:19,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:19,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:19,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:19,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:19,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:19,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:19,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-12-25 13:47:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:19,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-25 13:47:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:19,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-12-25 13:47:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:19,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-25 13:47:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:19,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-12-25 13:47:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:19,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:47:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:19,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:19,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25082935] [2023-12-25 13:47:19,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25082935] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:19,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:19,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:19,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120217056] [2023-12-25 13:47:19,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:19,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:19,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:19,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:19,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:19,959 INFO L87 Difference]: Start difference. First operand 1118 states and 1851 transitions. Second operand has 5 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 13:47:20,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:20,780 INFO L93 Difference]: Finished difference Result 2848 states and 4682 transitions. [2023-12-25 13:47:20,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:47:20,780 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 445 [2023-12-25 13:47:20,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:20,784 INFO L225 Difference]: With dead ends: 2848 [2023-12-25 13:47:20,784 INFO L226 Difference]: Without dead ends: 1118 [2023-12-25 13:47:20,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:47:20,786 INFO L413 NwaCegarLoop]: 1832 mSDtfsCounter, 3692 mSDsluCounter, 3232 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3698 SdHoareTripleChecker+Valid, 5064 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:20,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3698 Valid, 5064 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:47:20,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2023-12-25 13:47:20,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 1118. [2023-12-25 13:47:20,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1118 states, 1106 states have (on average 1.654611211573237) internal successors, (1830), 1106 states have internal predecessors, (1830), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:20,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1850 transitions. [2023-12-25 13:47:20,803 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1850 transitions. Word has length 445 [2023-12-25 13:47:20,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:20,804 INFO L495 AbstractCegarLoop]: Abstraction has 1118 states and 1850 transitions. [2023-12-25 13:47:20,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 13:47:20,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1850 transitions. [2023-12-25 13:47:20,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2023-12-25 13:47:20,808 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:20,824 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:20,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-25 13:47:20,824 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:20,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:20,825 INFO L85 PathProgramCache]: Analyzing trace with hash -538149711, now seen corresponding path program 1 times [2023-12-25 13:47:20,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:20,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604133529] [2023-12-25 13:47:20,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:20,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:21,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:21,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:21,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:21,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:21,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:21,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:21,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:21,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:21,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:21,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:21,514 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:21,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:21,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604133529] [2023-12-25 13:47:21,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604133529] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:21,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:21,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:21,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638691711] [2023-12-25 13:47:21,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:21,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:21,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:21,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:21,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:21,517 INFO L87 Difference]: Start difference. First operand 1118 states and 1850 transitions. Second operand has 5 states, 5 states have (on average 79.8) internal successors, (399), 5 states have internal predecessors, (399), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 13:47:22,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:22,198 INFO L93 Difference]: Finished difference Result 2040 states and 3374 transitions. [2023-12-25 13:47:22,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:22,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 79.8) internal successors, (399), 5 states have internal predecessors, (399), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 446 [2023-12-25 13:47:22,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:22,202 INFO L225 Difference]: With dead ends: 2040 [2023-12-25 13:47:22,203 INFO L226 Difference]: Without dead ends: 1118 [2023-12-25 13:47:22,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:22,207 INFO L413 NwaCegarLoop]: 1392 mSDtfsCounter, 3338 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3342 SdHoareTripleChecker+Valid, 2786 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:22,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3342 Valid, 2786 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:47:22,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2023-12-25 13:47:22,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 1118. [2023-12-25 13:47:22,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1118 states, 1106 states have (on average 1.6537070524412296) internal successors, (1829), 1106 states have internal predecessors, (1829), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:22,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1849 transitions. [2023-12-25 13:47:22,225 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1849 transitions. Word has length 446 [2023-12-25 13:47:22,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:22,225 INFO L495 AbstractCegarLoop]: Abstraction has 1118 states and 1849 transitions. [2023-12-25 13:47:22,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 79.8) internal successors, (399), 5 states have internal predecessors, (399), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 13:47:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1849 transitions. [2023-12-25 13:47:22,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2023-12-25 13:47:22,233 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:22,233 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:22,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-25 13:47:22,234 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:22,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:22,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1087798761, now seen corresponding path program 1 times [2023-12-25 13:47:22,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:22,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666476264] [2023-12-25 13:47:22,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:22,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:22,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:22,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:22,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:22,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:22,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:22,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:22,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:22,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:23,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:23,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:23,013 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:23,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:23,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666476264] [2023-12-25 13:47:23,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666476264] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:23,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:23,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:23,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591200370] [2023-12-25 13:47:23,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:23,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:23,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:23,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:23,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:23,016 INFO L87 Difference]: Start difference. First operand 1118 states and 1849 transitions. Second operand has 5 states, 5 states have (on average 80.0) internal successors, (400), 5 states have internal predecessors, (400), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 13:47:23,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:23,562 INFO L93 Difference]: Finished difference Result 2040 states and 3372 transitions. [2023-12-25 13:47:23,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:23,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 80.0) internal successors, (400), 5 states have internal predecessors, (400), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 447 [2023-12-25 13:47:23,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:23,567 INFO L225 Difference]: With dead ends: 2040 [2023-12-25 13:47:23,567 INFO L226 Difference]: Without dead ends: 1118 [2023-12-25 13:47:23,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:23,568 INFO L413 NwaCegarLoop]: 1392 mSDtfsCounter, 3242 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3246 SdHoareTripleChecker+Valid, 2786 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:23,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3246 Valid, 2786 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 13:47:23,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2023-12-25 13:47:23,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 1118. [2023-12-25 13:47:23,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1118 states, 1106 states have (on average 1.6528028933092225) internal successors, (1828), 1106 states have internal predecessors, (1828), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:23,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1848 transitions. [2023-12-25 13:47:23,595 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1848 transitions. Word has length 447 [2023-12-25 13:47:23,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:23,596 INFO L495 AbstractCegarLoop]: Abstraction has 1118 states and 1848 transitions. [2023-12-25 13:47:23,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 80.0) internal successors, (400), 5 states have internal predecessors, (400), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 13:47:23,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1848 transitions. [2023-12-25 13:47:23,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2023-12-25 13:47:23,598 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:23,598 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:23,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-25 13:47:23,599 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:23,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:23,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1584522459, now seen corresponding path program 1 times [2023-12-25 13:47:23,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:23,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713723628] [2023-12-25 13:47:23,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:23,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:24,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:24,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:24,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:24,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:24,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:24,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:24,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:24,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:24,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:24,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:24,212 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:24,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:24,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713723628] [2023-12-25 13:47:24,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713723628] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:24,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:24,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:24,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063424025] [2023-12-25 13:47:24,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:24,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:24,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:24,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:24,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:24,215 INFO L87 Difference]: Start difference. First operand 1118 states and 1848 transitions. Second operand has 5 states, 5 states have (on average 80.2) internal successors, (401), 5 states have internal predecessors, (401), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 13:47:24,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:24,863 INFO L93 Difference]: Finished difference Result 2040 states and 3370 transitions. [2023-12-25 13:47:24,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:24,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 80.2) internal successors, (401), 5 states have internal predecessors, (401), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 448 [2023-12-25 13:47:24,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:24,868 INFO L225 Difference]: With dead ends: 2040 [2023-12-25 13:47:24,868 INFO L226 Difference]: Without dead ends: 1118 [2023-12-25 13:47:24,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:24,869 INFO L413 NwaCegarLoop]: 1392 mSDtfsCounter, 1662 mSDsluCounter, 1407 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1666 SdHoareTripleChecker+Valid, 2799 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:24,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1666 Valid, 2799 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:47:24,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2023-12-25 13:47:24,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 1118. [2023-12-25 13:47:24,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1118 states, 1106 states have (on average 1.6518987341772151) internal successors, (1827), 1106 states have internal predecessors, (1827), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:24,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1847 transitions. [2023-12-25 13:47:24,891 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1847 transitions. Word has length 448 [2023-12-25 13:47:24,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:24,892 INFO L495 AbstractCegarLoop]: Abstraction has 1118 states and 1847 transitions. [2023-12-25 13:47:24,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 80.2) internal successors, (401), 5 states have internal predecessors, (401), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 13:47:24,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1847 transitions. [2023-12-25 13:47:24,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2023-12-25 13:47:24,895 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:24,895 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:24,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-25 13:47:24,895 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:24,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:24,896 INFO L85 PathProgramCache]: Analyzing trace with hash -953921451, now seen corresponding path program 1 times [2023-12-25 13:47:24,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:24,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243004421] [2023-12-25 13:47:24,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:24,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:25,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:25,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:25,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:25,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:25,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:25,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:25,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:25,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:25,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:25,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:25,679 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:25,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:25,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243004421] [2023-12-25 13:47:25,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243004421] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:25,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:25,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:47:25,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267760192] [2023-12-25 13:47:25,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:25,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:47:25,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:25,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:47:25,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:47:25,683 INFO L87 Difference]: Start difference. First operand 1118 states and 1847 transitions. Second operand has 4 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:25,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:25,719 INFO L93 Difference]: Finished difference Result 2043 states and 3372 transitions. [2023-12-25 13:47:25,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:25,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 449 [2023-12-25 13:47:25,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:25,724 INFO L225 Difference]: With dead ends: 2043 [2023-12-25 13:47:25,724 INFO L226 Difference]: Without dead ends: 1121 [2023-12-25 13:47:25,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:47:25,727 INFO L413 NwaCegarLoop]: 1842 mSDtfsCounter, 1 mSDsluCounter, 3677 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5519 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:25,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5519 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 13:47:25,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2023-12-25 13:47:25,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1120. [2023-12-25 13:47:25,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6507220216606497) internal successors, (1829), 1108 states have internal predecessors, (1829), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:25,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1849 transitions. [2023-12-25 13:47:25,743 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1849 transitions. Word has length 449 [2023-12-25 13:47:25,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:25,744 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1849 transitions. [2023-12-25 13:47:25,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:25,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1849 transitions. [2023-12-25 13:47:25,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2023-12-25 13:47:25,746 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:25,746 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:25,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-25 13:47:25,747 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:25,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:25,747 INFO L85 PathProgramCache]: Analyzing trace with hash 282775925, now seen corresponding path program 1 times [2023-12-25 13:47:25,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:25,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734536684] [2023-12-25 13:47:25,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:25,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:26,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:26,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:26,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:26,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:26,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:26,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:26,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:26,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:26,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:26,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:26,529 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:26,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:26,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734536684] [2023-12-25 13:47:26,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734536684] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:26,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:26,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:47:26,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642386570] [2023-12-25 13:47:26,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:26,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:47:26,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:26,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:47:26,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:47:26,531 INFO L87 Difference]: Start difference. First operand 1120 states and 1849 transitions. Second operand has 4 states, 4 states have (on average 100.75) internal successors, (403), 4 states have internal predecessors, (403), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:26,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:26,721 INFO L93 Difference]: Finished difference Result 2044 states and 3372 transitions. [2023-12-25 13:47:26,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:26,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 100.75) internal successors, (403), 4 states have internal predecessors, (403), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 450 [2023-12-25 13:47:26,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:26,726 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:26,726 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:26,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:26,728 INFO L413 NwaCegarLoop]: 1774 mSDtfsCounter, 1575 mSDsluCounter, 1776 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1575 SdHoareTripleChecker+Valid, 3550 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:26,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1575 Valid, 3550 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:47:26,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:26,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:26,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6498194945848375) internal successors, (1828), 1108 states have internal predecessors, (1828), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:26,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1848 transitions. [2023-12-25 13:47:26,745 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1848 transitions. Word has length 450 [2023-12-25 13:47:26,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:26,745 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1848 transitions. [2023-12-25 13:47:26,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.75) internal successors, (403), 4 states have internal predecessors, (403), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:26,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1848 transitions. [2023-12-25 13:47:26,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2023-12-25 13:47:26,748 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:26,748 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:26,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-25 13:47:26,749 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:26,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:26,749 INFO L85 PathProgramCache]: Analyzing trace with hash 872056607, now seen corresponding path program 1 times [2023-12-25 13:47:26,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:26,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842032536] [2023-12-25 13:47:26,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:26,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:27,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:27,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:27,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:27,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:27,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:27,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:27,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:27,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:27,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:27,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:27,403 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:27,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:27,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842032536] [2023-12-25 13:47:27,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842032536] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:27,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:27,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:27,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716265638] [2023-12-25 13:47:27,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:27,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:27,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:27,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:27,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:27,406 INFO L87 Difference]: Start difference. First operand 1120 states and 1848 transitions. Second operand has 5 states, 5 states have (on average 80.8) internal successors, (404), 5 states have internal predecessors, (404), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:27,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:27,531 INFO L93 Difference]: Finished difference Result 2046 states and 3372 transitions. [2023-12-25 13:47:27,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:47:27,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 80.8) internal successors, (404), 5 states have internal predecessors, (404), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 451 [2023-12-25 13:47:27,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:27,535 INFO L225 Difference]: With dead ends: 2046 [2023-12-25 13:47:27,536 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:27,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:47:27,538 INFO L413 NwaCegarLoop]: 1832 mSDtfsCounter, 1579 mSDsluCounter, 3617 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1579 SdHoareTripleChecker+Valid, 5449 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:27,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1579 Valid, 5449 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:47:27,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:27,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:27,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6489169675090252) internal successors, (1827), 1108 states have internal predecessors, (1827), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:27,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1847 transitions. [2023-12-25 13:47:27,557 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1847 transitions. Word has length 451 [2023-12-25 13:47:27,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:27,558 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1847 transitions. [2023-12-25 13:47:27,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 80.8) internal successors, (404), 5 states have internal predecessors, (404), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:27,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1847 transitions. [2023-12-25 13:47:27,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2023-12-25 13:47:27,561 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:27,561 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:27,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-25 13:47:27,561 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:27,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:27,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1344897587, now seen corresponding path program 1 times [2023-12-25 13:47:27,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:27,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818922105] [2023-12-25 13:47:27,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:27,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:28,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:28,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818922105] [2023-12-25 13:47:28,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818922105] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:28,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:28,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:28,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674462493] [2023-12-25 13:47:28,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:28,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:28,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:28,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:28,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:28,236 INFO L87 Difference]: Start difference. First operand 1120 states and 1847 transitions. Second operand has 5 states, 5 states have (on average 81.0) internal successors, (405), 5 states have internal predecessors, (405), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:28,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:28,373 INFO L93 Difference]: Finished difference Result 2044 states and 3368 transitions. [2023-12-25 13:47:28,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:28,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 81.0) internal successors, (405), 5 states have internal predecessors, (405), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 452 [2023-12-25 13:47:28,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:28,377 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:28,377 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:28,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:28,379 INFO L413 NwaCegarLoop]: 1773 mSDtfsCounter, 3296 mSDsluCounter, 1775 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3306 SdHoareTripleChecker+Valid, 3548 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:28,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3306 Valid, 3548 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:47:28,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:28,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:28,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.648014440433213) internal successors, (1826), 1108 states have internal predecessors, (1826), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:28,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1846 transitions. [2023-12-25 13:47:28,396 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1846 transitions. Word has length 452 [2023-12-25 13:47:28,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:28,396 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1846 transitions. [2023-12-25 13:47:28,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 81.0) internal successors, (405), 5 states have internal predecessors, (405), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:28,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1846 transitions. [2023-12-25 13:47:28,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2023-12-25 13:47:28,398 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:28,399 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:28,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-25 13:47:28,399 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:28,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:28,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1672684753, now seen corresponding path program 1 times [2023-12-25 13:47:28,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:28,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018719836] [2023-12-25 13:47:28,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:28,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:28,934 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:28,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:28,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018719836] [2023-12-25 13:47:28,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018719836] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:28,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:28,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:28,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394237085] [2023-12-25 13:47:28,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:28,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:28,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:28,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:28,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:28,936 INFO L87 Difference]: Start difference. First operand 1120 states and 1846 transitions. Second operand has 5 states, 5 states have (on average 81.2) internal successors, (406), 5 states have internal predecessors, (406), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:29,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:29,084 INFO L93 Difference]: Finished difference Result 2044 states and 3366 transitions. [2023-12-25 13:47:29,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:29,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 81.2) internal successors, (406), 5 states have internal predecessors, (406), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 453 [2023-12-25 13:47:29,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:29,088 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:29,088 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:29,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:29,089 INFO L413 NwaCegarLoop]: 1774 mSDtfsCounter, 1769 mSDsluCounter, 1789 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1779 SdHoareTripleChecker+Valid, 3563 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:29,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1779 Valid, 3563 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:47:29,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:29,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:29,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6471119133574008) internal successors, (1825), 1108 states have internal predecessors, (1825), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:29,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1845 transitions. [2023-12-25 13:47:29,105 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1845 transitions. Word has length 453 [2023-12-25 13:47:29,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:29,105 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1845 transitions. [2023-12-25 13:47:29,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 81.2) internal successors, (406), 5 states have internal predecessors, (406), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:29,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1845 transitions. [2023-12-25 13:47:29,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2023-12-25 13:47:29,108 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:29,108 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:29,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-25 13:47:29,108 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:29,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:29,109 INFO L85 PathProgramCache]: Analyzing trace with hash 2125854899, now seen corresponding path program 1 times [2023-12-25 13:47:29,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:29,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946054017] [2023-12-25 13:47:29,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:29,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:29,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:29,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:29,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:29,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:29,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:29,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:29,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:29,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:29,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:29,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:29,656 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:29,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:29,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946054017] [2023-12-25 13:47:29,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946054017] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:29,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:29,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:29,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514210291] [2023-12-25 13:47:29,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:29,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:29,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:29,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:29,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:29,658 INFO L87 Difference]: Start difference. First operand 1120 states and 1845 transitions. Second operand has 5 states, 5 states have (on average 81.4) internal successors, (407), 5 states have internal predecessors, (407), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:29,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:29,784 INFO L93 Difference]: Finished difference Result 2044 states and 3364 transitions. [2023-12-25 13:47:29,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:29,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 81.4) internal successors, (407), 5 states have internal predecessors, (407), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 454 [2023-12-25 13:47:29,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:29,788 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:29,788 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:29,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:29,789 INFO L413 NwaCegarLoop]: 1773 mSDtfsCounter, 3194 mSDsluCounter, 1775 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3204 SdHoareTripleChecker+Valid, 3548 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:29,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3204 Valid, 3548 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:47:29,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:29,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:29,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6462093862815885) internal successors, (1824), 1108 states have internal predecessors, (1824), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:29,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1844 transitions. [2023-12-25 13:47:29,802 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1844 transitions. Word has length 454 [2023-12-25 13:47:29,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:29,802 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1844 transitions. [2023-12-25 13:47:29,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 81.4) internal successors, (407), 5 states have internal predecessors, (407), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:29,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1844 transitions. [2023-12-25 13:47:29,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2023-12-25 13:47:29,805 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:29,805 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:29,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-25 13:47:29,805 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:29,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:29,805 INFO L85 PathProgramCache]: Analyzing trace with hash 259313677, now seen corresponding path program 1 times [2023-12-25 13:47:29,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:29,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119486011] [2023-12-25 13:47:29,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:29,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:30,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:30,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:30,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:30,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:30,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:30,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:30,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:30,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:30,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:30,278 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:30,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:30,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119486011] [2023-12-25 13:47:30,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119486011] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:30,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:30,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:30,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318973808] [2023-12-25 13:47:30,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:30,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:30,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:30,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:30,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:30,280 INFO L87 Difference]: Start difference. First operand 1120 states and 1844 transitions. Second operand has 5 states, 5 states have (on average 81.6) internal successors, (408), 5 states have internal predecessors, (408), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:30,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:30,408 INFO L93 Difference]: Finished difference Result 2044 states and 3362 transitions. [2023-12-25 13:47:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:30,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 81.6) internal successors, (408), 5 states have internal predecessors, (408), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 455 [2023-12-25 13:47:30,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:30,412 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:30,412 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:30,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:30,413 INFO L413 NwaCegarLoop]: 1774 mSDtfsCounter, 3186 mSDsluCounter, 1776 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3196 SdHoareTripleChecker+Valid, 3550 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:30,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3196 Valid, 3550 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:47:30,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:30,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:30,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6453068592057762) internal successors, (1823), 1108 states have internal predecessors, (1823), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:30,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1843 transitions. [2023-12-25 13:47:30,426 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1843 transitions. Word has length 455 [2023-12-25 13:47:30,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:30,427 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1843 transitions. [2023-12-25 13:47:30,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 81.6) internal successors, (408), 5 states have internal predecessors, (408), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:30,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1843 transitions. [2023-12-25 13:47:30,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2023-12-25 13:47:30,429 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:30,429 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:30,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-25 13:47:30,430 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:30,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:30,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1791849037, now seen corresponding path program 1 times [2023-12-25 13:47:30,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:30,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745395270] [2023-12-25 13:47:30,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:30,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,098 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:31,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:31,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745395270] [2023-12-25 13:47:31,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745395270] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:31,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:31,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:47:31,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763100258] [2023-12-25 13:47:31,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:31,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:47:31,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:31,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:47:31,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:47:31,100 INFO L87 Difference]: Start difference. First operand 1120 states and 1843 transitions. Second operand has 4 states, 4 states have (on average 102.25) internal successors, (409), 4 states have internal predecessors, (409), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:31,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:31,299 INFO L93 Difference]: Finished difference Result 2044 states and 3360 transitions. [2023-12-25 13:47:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:31,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 102.25) internal successors, (409), 4 states have internal predecessors, (409), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 456 [2023-12-25 13:47:31,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:31,303 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:31,303 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:31,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:31,304 INFO L413 NwaCegarLoop]: 1724 mSDtfsCounter, 1565 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1565 SdHoareTripleChecker+Valid, 3450 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:31,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1565 Valid, 3450 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:47:31,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:31,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:31,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.644404332129964) internal successors, (1822), 1108 states have internal predecessors, (1822), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:31,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1842 transitions. [2023-12-25 13:47:31,319 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1842 transitions. Word has length 456 [2023-12-25 13:47:31,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:31,319 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1842 transitions. [2023-12-25 13:47:31,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 102.25) internal successors, (409), 4 states have internal predecessors, (409), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:31,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1842 transitions. [2023-12-25 13:47:31,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2023-12-25 13:47:31,321 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:31,322 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:31,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-25 13:47:31,322 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:31,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:31,322 INFO L85 PathProgramCache]: Analyzing trace with hash -338764445, now seen corresponding path program 1 times [2023-12-25 13:47:31,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:31,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884381688] [2023-12-25 13:47:31,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:31,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:31,824 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:31,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:31,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884381688] [2023-12-25 13:47:31,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884381688] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:31,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:31,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:31,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216220040] [2023-12-25 13:47:31,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:31,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:31,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:31,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:31,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:31,826 INFO L87 Difference]: Start difference. First operand 1120 states and 1842 transitions. Second operand has 5 states, 5 states have (on average 82.0) internal successors, (410), 5 states have internal predecessors, (410), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:32,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:32,019 INFO L93 Difference]: Finished difference Result 2044 states and 3358 transitions. [2023-12-25 13:47:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:32,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 82.0) internal successors, (410), 5 states have internal predecessors, (410), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 457 [2023-12-25 13:47:32,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:32,023 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:32,023 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:32,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:32,024 INFO L413 NwaCegarLoop]: 1724 mSDtfsCounter, 1814 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 3463 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:32,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1824 Valid, 3463 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:47:32,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:32,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:32,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6435018050541517) internal successors, (1821), 1108 states have internal predecessors, (1821), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:32,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1841 transitions. [2023-12-25 13:47:32,038 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1841 transitions. Word has length 457 [2023-12-25 13:47:32,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:32,039 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1841 transitions. [2023-12-25 13:47:32,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 82.0) internal successors, (410), 5 states have internal predecessors, (410), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:32,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1841 transitions. [2023-12-25 13:47:32,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2023-12-25 13:47:32,041 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:32,041 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:32,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-25 13:47:32,041 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:32,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:32,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1903330841, now seen corresponding path program 1 times [2023-12-25 13:47:32,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:32,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317729902] [2023-12-25 13:47:32,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:32,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:32,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:32,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:32,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:32,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:32,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:32,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:32,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:32,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:32,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:32,482 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:32,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:32,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317729902] [2023-12-25 13:47:32,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317729902] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:32,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:32,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:32,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850699043] [2023-12-25 13:47:32,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:32,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:32,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:32,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:32,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:32,484 INFO L87 Difference]: Start difference. First operand 1120 states and 1841 transitions. Second operand has 5 states, 5 states have (on average 82.2) internal successors, (411), 5 states have internal predecessors, (411), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:32,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:32,667 INFO L93 Difference]: Finished difference Result 2044 states and 3356 transitions. [2023-12-25 13:47:32,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:32,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 82.2) internal successors, (411), 5 states have internal predecessors, (411), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 458 [2023-12-25 13:47:32,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:32,671 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:32,671 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:32,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:32,672 INFO L413 NwaCegarLoop]: 1724 mSDtfsCounter, 3364 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3374 SdHoareTripleChecker+Valid, 3450 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:32,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3374 Valid, 3450 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:47:32,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:32,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6425992779783394) internal successors, (1820), 1108 states have internal predecessors, (1820), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1840 transitions. [2023-12-25 13:47:32,686 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1840 transitions. Word has length 458 [2023-12-25 13:47:32,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:32,687 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1840 transitions. [2023-12-25 13:47:32,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 82.2) internal successors, (411), 5 states have internal predecessors, (411), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:32,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1840 transitions. [2023-12-25 13:47:32,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2023-12-25 13:47:32,689 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:32,689 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:32,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-25 13:47:32,689 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:32,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:32,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1855160003, now seen corresponding path program 1 times [2023-12-25 13:47:32,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:32,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082657213] [2023-12-25 13:47:32,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:32,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:33,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:33,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082657213] [2023-12-25 13:47:33,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082657213] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:33,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:33,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:33,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891386112] [2023-12-25 13:47:33,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:33,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:33,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:33,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:33,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:33,131 INFO L87 Difference]: Start difference. First operand 1120 states and 1840 transitions. Second operand has 5 states, 5 states have (on average 82.4) internal successors, (412), 5 states have internal predecessors, (412), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:33,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:33,331 INFO L93 Difference]: Finished difference Result 2044 states and 3354 transitions. [2023-12-25 13:47:33,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:33,331 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 82.4) internal successors, (412), 5 states have internal predecessors, (412), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 459 [2023-12-25 13:47:33,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:33,334 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:33,334 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:33,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:33,336 INFO L413 NwaCegarLoop]: 1724 mSDtfsCounter, 3356 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3366 SdHoareTripleChecker+Valid, 3450 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:33,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3366 Valid, 3450 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:47:33,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:33,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:33,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.641696750902527) internal successors, (1819), 1108 states have internal predecessors, (1819), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:33,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1839 transitions. [2023-12-25 13:47:33,349 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1839 transitions. Word has length 459 [2023-12-25 13:47:33,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:33,350 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1839 transitions. [2023-12-25 13:47:33,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 82.4) internal successors, (412), 5 states have internal predecessors, (412), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:33,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1839 transitions. [2023-12-25 13:47:33,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2023-12-25 13:47:33,352 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:33,352 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:33,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-25 13:47:33,353 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:33,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:33,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1080333633, now seen corresponding path program 1 times [2023-12-25 13:47:33,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:33,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483445930] [2023-12-25 13:47:33,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:33,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:33,848 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:33,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:33,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483445930] [2023-12-25 13:47:33,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483445930] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:33,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:33,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:33,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121123604] [2023-12-25 13:47:33,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:33,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:33,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:33,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:33,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:33,850 INFO L87 Difference]: Start difference. First operand 1120 states and 1839 transitions. Second operand has 5 states, 5 states have (on average 82.6) internal successors, (413), 5 states have internal predecessors, (413), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:34,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:34,082 INFO L93 Difference]: Finished difference Result 2044 states and 3352 transitions. [2023-12-25 13:47:34,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:34,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 82.6) internal successors, (413), 5 states have internal predecessors, (413), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 460 [2023-12-25 13:47:34,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:34,086 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:34,086 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:34,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:34,088 INFO L413 NwaCegarLoop]: 1724 mSDtfsCounter, 1761 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1771 SdHoareTripleChecker+Valid, 3463 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:34,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1771 Valid, 3463 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:47:34,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:34,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:34,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6407942238267148) internal successors, (1818), 1108 states have internal predecessors, (1818), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:34,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1838 transitions. [2023-12-25 13:47:34,109 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1838 transitions. Word has length 460 [2023-12-25 13:47:34,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:34,109 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1838 transitions. [2023-12-25 13:47:34,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 82.6) internal successors, (413), 5 states have internal predecessors, (413), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:34,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1838 transitions. [2023-12-25 13:47:34,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2023-12-25 13:47:34,111 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:34,124 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:34,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-25 13:47:34,124 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:34,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:34,125 INFO L85 PathProgramCache]: Analyzing trace with hash -672855583, now seen corresponding path program 1 times [2023-12-25 13:47:34,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:34,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718583448] [2023-12-25 13:47:34,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:34,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:34,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:34,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:34,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:34,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:34,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:34,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:34,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:34,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:34,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:34,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:34,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:34,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718583448] [2023-12-25 13:47:34,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718583448] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:34,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:34,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:34,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610869723] [2023-12-25 13:47:34,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:34,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:34,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:34,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:34,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:34,595 INFO L87 Difference]: Start difference. First operand 1120 states and 1838 transitions. Second operand has 5 states, 5 states have (on average 82.8) internal successors, (414), 5 states have internal predecessors, (414), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:34,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:34,774 INFO L93 Difference]: Finished difference Result 2044 states and 3350 transitions. [2023-12-25 13:47:34,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:34,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 82.8) internal successors, (414), 5 states have internal predecessors, (414), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 461 [2023-12-25 13:47:34,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:34,778 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:34,778 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:34,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:34,779 INFO L413 NwaCegarLoop]: 1724 mSDtfsCounter, 3258 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3268 SdHoareTripleChecker+Valid, 3450 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:34,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3268 Valid, 3450 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:47:34,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:34,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:34,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6398916967509025) internal successors, (1817), 1108 states have internal predecessors, (1817), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:34,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1837 transitions. [2023-12-25 13:47:34,794 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1837 transitions. Word has length 461 [2023-12-25 13:47:34,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:34,794 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1837 transitions. [2023-12-25 13:47:34,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 82.8) internal successors, (414), 5 states have internal predecessors, (414), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:34,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1837 transitions. [2023-12-25 13:47:34,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2023-12-25 13:47:34,797 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:34,797 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:34,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-25 13:47:34,797 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:34,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:34,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1545835421, now seen corresponding path program 1 times [2023-12-25 13:47:34,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:34,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856701705] [2023-12-25 13:47:34,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:34,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,254 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:35,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:35,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856701705] [2023-12-25 13:47:35,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856701705] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:35,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:35,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:35,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167168692] [2023-12-25 13:47:35,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:35,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:35,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:35,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:35,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:35,255 INFO L87 Difference]: Start difference. First operand 1120 states and 1837 transitions. Second operand has 5 states, 5 states have (on average 83.0) internal successors, (415), 5 states have internal predecessors, (415), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:35,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:35,446 INFO L93 Difference]: Finished difference Result 2044 states and 3348 transitions. [2023-12-25 13:47:35,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:35,459 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 83.0) internal successors, (415), 5 states have internal predecessors, (415), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 462 [2023-12-25 13:47:35,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:35,462 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:35,463 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:35,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:35,464 INFO L413 NwaCegarLoop]: 1724 mSDtfsCounter, 1753 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1763 SdHoareTripleChecker+Valid, 3463 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:35,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1763 Valid, 3463 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:47:35,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:35,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:35,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6389891696750902) internal successors, (1816), 1108 states have internal predecessors, (1816), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:35,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1836 transitions. [2023-12-25 13:47:35,498 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1836 transitions. Word has length 462 [2023-12-25 13:47:35,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:35,498 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1836 transitions. [2023-12-25 13:47:35,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 83.0) internal successors, (415), 5 states have internal predecessors, (415), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:35,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1836 transitions. [2023-12-25 13:47:35,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2023-12-25 13:47:35,500 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:35,501 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:35,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-25 13:47:35,501 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:35,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:35,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1587877767, now seen corresponding path program 1 times [2023-12-25 13:47:35,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:35,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812579304] [2023-12-25 13:47:35,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:35,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:35,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:35,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812579304] [2023-12-25 13:47:35,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812579304] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:35,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:35,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:35,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493542709] [2023-12-25 13:47:35,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:35,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:35,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:35,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:35,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:35,968 INFO L87 Difference]: Start difference. First operand 1120 states and 1836 transitions. Second operand has 5 states, 5 states have (on average 83.2) internal successors, (416), 5 states have internal predecessors, (416), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:36,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:36,163 INFO L93 Difference]: Finished difference Result 2044 states and 3346 transitions. [2023-12-25 13:47:36,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:36,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 83.2) internal successors, (416), 5 states have internal predecessors, (416), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 463 [2023-12-25 13:47:36,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:36,175 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:36,175 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:36,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:36,176 INFO L413 NwaCegarLoop]: 1724 mSDtfsCounter, 3242 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3252 SdHoareTripleChecker+Valid, 3450 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:36,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3252 Valid, 3450 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:47:36,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:36,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:36,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.638086642599278) internal successors, (1815), 1108 states have internal predecessors, (1815), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:36,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1835 transitions. [2023-12-25 13:47:36,208 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1835 transitions. Word has length 463 [2023-12-25 13:47:36,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:36,208 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1835 transitions. [2023-12-25 13:47:36,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 83.2) internal successors, (416), 5 states have internal predecessors, (416), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:36,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1835 transitions. [2023-12-25 13:47:36,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2023-12-25 13:47:36,211 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:36,211 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:36,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-25 13:47:36,211 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:36,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:36,211 INFO L85 PathProgramCache]: Analyzing trace with hash -650006583, now seen corresponding path program 1 times [2023-12-25 13:47:36,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:36,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95503657] [2023-12-25 13:47:36,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:36,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:36,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:36,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:36,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:36,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:36,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:36,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:36,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:36,714 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:36,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:36,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95503657] [2023-12-25 13:47:36,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95503657] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:36,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:36,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:36,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604325615] [2023-12-25 13:47:36,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:36,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:36,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:36,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:36,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:36,716 INFO L87 Difference]: Start difference. First operand 1120 states and 1835 transitions. Second operand has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:36,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:36,915 INFO L93 Difference]: Finished difference Result 2044 states and 3344 transitions. [2023-12-25 13:47:36,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:36,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 464 [2023-12-25 13:47:36,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:36,917 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:36,918 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:36,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:36,919 INFO L413 NwaCegarLoop]: 1724 mSDtfsCounter, 3152 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3162 SdHoareTripleChecker+Valid, 3450 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:36,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3162 Valid, 3450 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:47:36,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:36,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:36,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6371841155234657) internal successors, (1814), 1108 states have internal predecessors, (1814), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:36,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1834 transitions. [2023-12-25 13:47:36,933 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1834 transitions. Word has length 464 [2023-12-25 13:47:36,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:36,934 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1834 transitions. [2023-12-25 13:47:36,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:36,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1834 transitions. [2023-12-25 13:47:36,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2023-12-25 13:47:36,936 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:36,936 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:36,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-25 13:47:36,936 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:36,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:36,937 INFO L85 PathProgramCache]: Analyzing trace with hash -444799253, now seen corresponding path program 1 times [2023-12-25 13:47:36,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:36,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321514075] [2023-12-25 13:47:36,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:36,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:37,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:37,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:37,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:37,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:37,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:37,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:37,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:37,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:37,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:37,414 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:37,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:37,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321514075] [2023-12-25 13:47:37,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321514075] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:37,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:37,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:37,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101341445] [2023-12-25 13:47:37,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:37,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:37,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:37,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:37,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:37,415 INFO L87 Difference]: Start difference. First operand 1120 states and 1834 transitions. Second operand has 5 states, 5 states have (on average 83.6) internal successors, (418), 5 states have internal predecessors, (418), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:37,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:37,586 INFO L93 Difference]: Finished difference Result 2044 states and 3342 transitions. [2023-12-25 13:47:37,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:37,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 83.6) internal successors, (418), 5 states have internal predecessors, (418), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 465 [2023-12-25 13:47:37,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:37,588 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:37,588 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:37,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:37,589 INFO L413 NwaCegarLoop]: 1724 mSDtfsCounter, 1700 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1710 SdHoareTripleChecker+Valid, 3463 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:37,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1710 Valid, 3463 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:47:37,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:37,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:37,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6362815884476534) internal successors, (1813), 1108 states have internal predecessors, (1813), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:37,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1833 transitions. [2023-12-25 13:47:37,602 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1833 transitions. Word has length 465 [2023-12-25 13:47:37,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:37,602 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1833 transitions. [2023-12-25 13:47:37,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 83.6) internal successors, (418), 5 states have internal predecessors, (418), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:37,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1833 transitions. [2023-12-25 13:47:37,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2023-12-25 13:47:37,605 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:37,605 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:37,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-25 13:47:37,605 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:37,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:37,606 INFO L85 PathProgramCache]: Analyzing trace with hash 2038404129, now seen corresponding path program 1 times [2023-12-25 13:47:37,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:37,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877847056] [2023-12-25 13:47:37,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:37,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:38,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:38,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877847056] [2023-12-25 13:47:38,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877847056] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:38,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:38,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:38,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843861707] [2023-12-25 13:47:38,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:38,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:38,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:38,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:38,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:38,078 INFO L87 Difference]: Start difference. First operand 1120 states and 1833 transitions. Second operand has 5 states, 5 states have (on average 83.8) internal successors, (419), 5 states have internal predecessors, (419), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:38,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:38,242 INFO L93 Difference]: Finished difference Result 2044 states and 3340 transitions. [2023-12-25 13:47:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:38,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 83.8) internal successors, (419), 5 states have internal predecessors, (419), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 466 [2023-12-25 13:47:38,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:38,244 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:38,244 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:38,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:38,249 INFO L413 NwaCegarLoop]: 1724 mSDtfsCounter, 1696 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1706 SdHoareTripleChecker+Valid, 3463 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:38,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1706 Valid, 3463 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:47:38,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:38,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:38,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.635379061371841) internal successors, (1812), 1108 states have internal predecessors, (1812), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:38,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1832 transitions. [2023-12-25 13:47:38,265 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1832 transitions. Word has length 466 [2023-12-25 13:47:38,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:38,265 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1832 transitions. [2023-12-25 13:47:38,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 83.8) internal successors, (419), 5 states have internal predecessors, (419), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:38,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1832 transitions. [2023-12-25 13:47:38,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2023-12-25 13:47:38,268 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:38,268 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:38,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-25 13:47:38,268 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:38,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:38,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1323945273, now seen corresponding path program 1 times [2023-12-25 13:47:38,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:38,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060294037] [2023-12-25 13:47:38,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:38,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:38,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:38,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060294037] [2023-12-25 13:47:38,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060294037] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:38,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:38,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:38,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940149665] [2023-12-25 13:47:38,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:38,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:38,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:38,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:38,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:38,867 INFO L87 Difference]: Start difference. First operand 1120 states and 1832 transitions. Second operand has 5 states, 5 states have (on average 84.0) internal successors, (420), 5 states have internal predecessors, (420), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:39,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:39,067 INFO L93 Difference]: Finished difference Result 2044 states and 3338 transitions. [2023-12-25 13:47:39,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:39,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.0) internal successors, (420), 5 states have internal predecessors, (420), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 467 [2023-12-25 13:47:39,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:39,069 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:39,069 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:39,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:39,071 INFO L413 NwaCegarLoop]: 1724 mSDtfsCounter, 1692 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1702 SdHoareTripleChecker+Valid, 3463 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:39,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1702 Valid, 3463 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:47:39,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:39,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:39,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6344765342960288) internal successors, (1811), 1108 states have internal predecessors, (1811), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:39,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1831 transitions. [2023-12-25 13:47:39,103 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1831 transitions. Word has length 467 [2023-12-25 13:47:39,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:39,104 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1831 transitions. [2023-12-25 13:47:39,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.0) internal successors, (420), 5 states have internal predecessors, (420), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:39,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1831 transitions. [2023-12-25 13:47:39,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2023-12-25 13:47:39,127 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:39,128 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:39,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-25 13:47:39,128 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:39,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:39,128 INFO L85 PathProgramCache]: Analyzing trace with hash -896995013, now seen corresponding path program 1 times [2023-12-25 13:47:39,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:39,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582813909] [2023-12-25 13:47:39,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:39,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:39,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:39,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:39,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:39,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:39,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:39,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:39,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:39,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:39,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:39,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:39,981 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:39,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:39,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582813909] [2023-12-25 13:47:39,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582813909] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:39,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:39,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:47:39,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610679328] [2023-12-25 13:47:39,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:39,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:47:39,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:39,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:47:39,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:47:39,988 INFO L87 Difference]: Start difference. First operand 1120 states and 1831 transitions. Second operand has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:40,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:40,100 INFO L93 Difference]: Finished difference Result 2044 states and 3336 transitions. [2023-12-25 13:47:40,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:40,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 468 [2023-12-25 13:47:40,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:40,103 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:40,103 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:40,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:40,104 INFO L413 NwaCegarLoop]: 1761 mSDtfsCounter, 1557 mSDsluCounter, 1763 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1557 SdHoareTripleChecker+Valid, 3524 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:40,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1557 Valid, 3524 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:47:40,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:40,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:40,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6335740072202165) internal successors, (1810), 1108 states have internal predecessors, (1810), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:40,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1830 transitions. [2023-12-25 13:47:40,126 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1830 transitions. Word has length 468 [2023-12-25 13:47:40,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:40,126 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1830 transitions. [2023-12-25 13:47:40,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:40,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1830 transitions. [2023-12-25 13:47:40,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2023-12-25 13:47:40,130 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:40,130 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:40,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-25 13:47:40,130 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:40,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:40,130 INFO L85 PathProgramCache]: Analyzing trace with hash -806934723, now seen corresponding path program 1 times [2023-12-25 13:47:40,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:40,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488416633] [2023-12-25 13:47:40,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:40,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:40,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:40,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:40,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:40,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:40,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:40,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:40,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:40,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:40,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:40,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:40,998 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:40,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:40,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488416633] [2023-12-25 13:47:40,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488416633] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:40,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:40,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:47:40,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223928719] [2023-12-25 13:47:40,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:41,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:47:41,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:41,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:47:41,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:47:41,000 INFO L87 Difference]: Start difference. First operand 1120 states and 1830 transitions. Second operand has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:41,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:41,116 INFO L93 Difference]: Finished difference Result 2044 states and 3334 transitions. [2023-12-25 13:47:41,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:41,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 468 [2023-12-25 13:47:41,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:41,118 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:41,118 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:41,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:41,120 INFO L413 NwaCegarLoop]: 1761 mSDtfsCounter, 1503 mSDsluCounter, 1763 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 3524 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:41,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 3524 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:47:41,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:41,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:41,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6326714801444044) internal successors, (1809), 1108 states have internal predecessors, (1809), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:41,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1829 transitions. [2023-12-25 13:47:41,144 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1829 transitions. Word has length 468 [2023-12-25 13:47:41,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:41,145 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1829 transitions. [2023-12-25 13:47:41,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:41,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1829 transitions. [2023-12-25 13:47:41,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2023-12-25 13:47:41,147 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:41,147 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:41,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-25 13:47:41,147 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:41,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:41,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1139577861, now seen corresponding path program 1 times [2023-12-25 13:47:41,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:41,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216663027] [2023-12-25 13:47:41,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:41,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:41,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:41,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:41,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:41,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:41,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:41,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:41,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:41,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:41,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:41,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:41,874 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:41,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:41,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216663027] [2023-12-25 13:47:41,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216663027] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:41,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:41,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:47:41,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426746724] [2023-12-25 13:47:41,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:41,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:47:41,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:41,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:47:41,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:47:41,875 INFO L87 Difference]: Start difference. First operand 1120 states and 1829 transitions. Second operand has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:41,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:41,982 INFO L93 Difference]: Finished difference Result 2044 states and 3332 transitions. [2023-12-25 13:47:41,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:41,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 468 [2023-12-25 13:47:41,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:41,984 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:41,985 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:41,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:41,986 INFO L413 NwaCegarLoop]: 1761 mSDtfsCounter, 1449 mSDsluCounter, 1763 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 3524 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:41,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1449 Valid, 3524 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:47:41,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:41,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:41,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6317689530685922) internal successors, (1808), 1108 states have internal predecessors, (1808), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:41,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1828 transitions. [2023-12-25 13:47:41,997 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1828 transitions. Word has length 468 [2023-12-25 13:47:41,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:41,997 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1828 transitions. [2023-12-25 13:47:41,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:41,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1828 transitions. [2023-12-25 13:47:41,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2023-12-25 13:47:41,999 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:41,999 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:42,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-25 13:47:42,000 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:42,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:42,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1556974467, now seen corresponding path program 1 times [2023-12-25 13:47:42,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:42,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956949627] [2023-12-25 13:47:42,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:42,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:42,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:42,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:42,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:42,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 13:47:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:42,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-12-25 13:47:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:42,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 13:47:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:42,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-25 13:47:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:42,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:47:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:42,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 13:47:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:42,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:47:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:42,839 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:42,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:42,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956949627] [2023-12-25 13:47:42,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956949627] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:42,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:42,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:47:42,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561522974] [2023-12-25 13:47:42,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:42,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:47:42,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:42,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:47:42,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:47:42,840 INFO L87 Difference]: Start difference. First operand 1120 states and 1828 transitions. Second operand has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-25 13:47:43,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:43,220 INFO L93 Difference]: Finished difference Result 2061 states and 3356 transitions. [2023-12-25 13:47:43,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 13:47:43,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 468 [2023-12-25 13:47:43,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:43,222 INFO L225 Difference]: With dead ends: 2061 [2023-12-25 13:47:43,223 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:43,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:43,224 INFO L413 NwaCegarLoop]: 1817 mSDtfsCounter, 13 mSDsluCounter, 3206 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 5023 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:43,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 5023 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:47:43,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:43,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:43,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6308664259927799) internal successors, (1807), 1108 states have internal predecessors, (1807), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:43,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1827 transitions. [2023-12-25 13:47:43,236 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1827 transitions. Word has length 468 [2023-12-25 13:47:43,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:43,236 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1827 transitions. [2023-12-25 13:47:43,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-25 13:47:43,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1827 transitions. [2023-12-25 13:47:43,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2023-12-25 13:47:43,238 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:43,239 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:43,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-25 13:47:43,239 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:43,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:43,239 INFO L85 PathProgramCache]: Analyzing trace with hash -271349935, now seen corresponding path program 1 times [2023-12-25 13:47:43,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:43,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432075499] [2023-12-25 13:47:43,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:43,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:44,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:44,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:44,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:44,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:47:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:44,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:47:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:44,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:47:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:44,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:47:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:44,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:47:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:44,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:47:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:44,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:47:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:44,306 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:44,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:44,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432075499] [2023-12-25 13:47:44,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432075499] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:44,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:44,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:44,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898549430] [2023-12-25 13:47:44,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:44,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:44,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:44,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:44,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:44,308 INFO L87 Difference]: Start difference. First operand 1120 states and 1827 transitions. Second operand has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:44,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:44,576 INFO L93 Difference]: Finished difference Result 2044 states and 3328 transitions. [2023-12-25 13:47:44,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:44,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 469 [2023-12-25 13:47:44,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:44,578 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:44,578 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:44,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:44,579 INFO L413 NwaCegarLoop]: 1720 mSDtfsCounter, 1547 mSDsluCounter, 3431 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 5151 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:44,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1547 Valid, 5151 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:47:44,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:44,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:44,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6299638989169676) internal successors, (1806), 1108 states have internal predecessors, (1806), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:44,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1826 transitions. [2023-12-25 13:47:44,591 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1826 transitions. Word has length 469 [2023-12-25 13:47:44,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:44,591 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1826 transitions. [2023-12-25 13:47:44,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:44,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1826 transitions. [2023-12-25 13:47:44,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2023-12-25 13:47:44,594 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:44,594 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:44,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-25 13:47:44,594 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:44,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:44,594 INFO L85 PathProgramCache]: Analyzing trace with hash 227206867, now seen corresponding path program 1 times [2023-12-25 13:47:44,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:44,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940287942] [2023-12-25 13:47:44,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:44,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:45,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:45,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:45,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:45,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:47:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:45,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:47:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:45,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:47:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:45,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:47:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:45,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:47:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:45,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:47:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:45,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:47:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:45,520 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:45,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:45,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940287942] [2023-12-25 13:47:45,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940287942] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:45,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:45,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:45,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521241893] [2023-12-25 13:47:45,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:45,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:45,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:45,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:45,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:45,521 INFO L87 Difference]: Start difference. First operand 1120 states and 1826 transitions. Second operand has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:45,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:45,737 INFO L93 Difference]: Finished difference Result 2044 states and 3326 transitions. [2023-12-25 13:47:45,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:45,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 469 [2023-12-25 13:47:45,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:45,739 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:45,739 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:45,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:45,740 INFO L413 NwaCegarLoop]: 1720 mSDtfsCounter, 1544 mSDsluCounter, 1735 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 3455 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:45,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1544 Valid, 3455 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:47:45,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:45,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:45,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6290613718411553) internal successors, (1805), 1108 states have internal predecessors, (1805), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:45,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1825 transitions. [2023-12-25 13:47:45,751 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1825 transitions. Word has length 469 [2023-12-25 13:47:45,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:45,752 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1825 transitions. [2023-12-25 13:47:45,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:45,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1825 transitions. [2023-12-25 13:47:45,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2023-12-25 13:47:45,754 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:45,754 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:45,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-25 13:47:45,754 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:45,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:45,755 INFO L85 PathProgramCache]: Analyzing trace with hash -558791023, now seen corresponding path program 1 times [2023-12-25 13:47:45,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:45,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940270439] [2023-12-25 13:47:45,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:45,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:46,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:46,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:46,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:47:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:46,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:47:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:46,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:47:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:46,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:47:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:46,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:47:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:46,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:47:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:46,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:47:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:46,639 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:46,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:46,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940270439] [2023-12-25 13:47:46,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940270439] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:46,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:46,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:46,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846588779] [2023-12-25 13:47:46,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:46,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:46,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:46,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:46,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:46,641 INFO L87 Difference]: Start difference. First operand 1120 states and 1825 transitions. Second operand has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:46,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:46,819 INFO L93 Difference]: Finished difference Result 2044 states and 3324 transitions. [2023-12-25 13:47:46,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:46,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 469 [2023-12-25 13:47:46,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:46,821 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:46,821 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:46,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:46,823 INFO L413 NwaCegarLoop]: 1720 mSDtfsCounter, 1543 mSDsluCounter, 1735 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1543 SdHoareTripleChecker+Valid, 3455 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:46,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1543 Valid, 3455 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:47:46,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:46,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:46,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.628158844765343) internal successors, (1804), 1108 states have internal predecessors, (1804), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:46,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1824 transitions. [2023-12-25 13:47:46,834 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1824 transitions. Word has length 469 [2023-12-25 13:47:46,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:46,835 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1824 transitions. [2023-12-25 13:47:46,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:46,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1824 transitions. [2023-12-25 13:47:46,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2023-12-25 13:47:46,837 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:46,837 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:46,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-25 13:47:46,837 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:46,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:46,838 INFO L85 PathProgramCache]: Analyzing trace with hash -213962861, now seen corresponding path program 1 times [2023-12-25 13:47:46,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:46,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121681306] [2023-12-25 13:47:46,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:46,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:47,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:47,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:47,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:47,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:47:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:47,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:47:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:47,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:47:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:47,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:47:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:47,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:47:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:47,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:47:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:47,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:47:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:47,718 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:47,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:47,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121681306] [2023-12-25 13:47:47,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121681306] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:47,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:47,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:47,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279986131] [2023-12-25 13:47:47,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:47,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:47,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:47,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:47,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:47,720 INFO L87 Difference]: Start difference. First operand 1120 states and 1824 transitions. Second operand has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:47,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:47,904 INFO L93 Difference]: Finished difference Result 2044 states and 3322 transitions. [2023-12-25 13:47:47,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:47,904 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 469 [2023-12-25 13:47:47,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:47,906 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:47,906 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:47,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:47,907 INFO L413 NwaCegarLoop]: 1720 mSDtfsCounter, 3028 mSDsluCounter, 1722 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3028 SdHoareTripleChecker+Valid, 3442 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:47,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3028 Valid, 3442 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:47:47,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:47,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:47,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6272563176895307) internal successors, (1803), 1108 states have internal predecessors, (1803), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:47,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1823 transitions. [2023-12-25 13:47:47,919 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1823 transitions. Word has length 469 [2023-12-25 13:47:47,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:47,919 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1823 transitions. [2023-12-25 13:47:47,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:47,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1823 transitions. [2023-12-25 13:47:47,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2023-12-25 13:47:47,922 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:47,922 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:47,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-25 13:47:47,922 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:47,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:47,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1939143957, now seen corresponding path program 1 times [2023-12-25 13:47:47,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:47,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962710057] [2023-12-25 13:47:47,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:47,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:48,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:48,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:48,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:48,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:47:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:48,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:47:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:48,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:47:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:48,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:47:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:48,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:47:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:48,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:47:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:48,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:47:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:48,804 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:48,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:48,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962710057] [2023-12-25 13:47:48,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962710057] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:48,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:48,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:48,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698140426] [2023-12-25 13:47:48,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:48,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:48,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:48,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:48,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:48,806 INFO L87 Difference]: Start difference. First operand 1120 states and 1823 transitions. Second operand has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:48,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:48,984 INFO L93 Difference]: Finished difference Result 2044 states and 3320 transitions. [2023-12-25 13:47:48,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:48,985 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 469 [2023-12-25 13:47:48,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:48,986 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:48,986 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:48,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:48,988 INFO L413 NwaCegarLoop]: 1720 mSDtfsCounter, 1541 mSDsluCounter, 1735 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1541 SdHoareTripleChecker+Valid, 3455 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:48,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1541 Valid, 3455 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:47:48,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:48,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:48,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6263537906137184) internal successors, (1802), 1108 states have internal predecessors, (1802), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:48,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1822 transitions. [2023-12-25 13:47:48,999 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1822 transitions. Word has length 469 [2023-12-25 13:47:48,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:48,999 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1822 transitions. [2023-12-25 13:47:48,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:48,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1822 transitions. [2023-12-25 13:47:49,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2023-12-25 13:47:49,002 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:49,002 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:49,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-12-25 13:47:49,002 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:49,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:49,002 INFO L85 PathProgramCache]: Analyzing trace with hash -966529325, now seen corresponding path program 1 times [2023-12-25 13:47:49,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:49,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576155224] [2023-12-25 13:47:49,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:49,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:49,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:49,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:49,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:49,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:47:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:49,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:47:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:49,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:47:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:49,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:47:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:49,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:47:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:49,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:47:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:49,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:47:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:49,968 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:49,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:49,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576155224] [2023-12-25 13:47:49,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576155224] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:49,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:49,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:49,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502329857] [2023-12-25 13:47:49,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:49,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:49,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:49,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:49,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:49,970 INFO L87 Difference]: Start difference. First operand 1120 states and 1822 transitions. Second operand has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:50,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:50,150 INFO L93 Difference]: Finished difference Result 2044 states and 3318 transitions. [2023-12-25 13:47:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:50,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 469 [2023-12-25 13:47:50,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:50,152 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:50,152 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:50,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:50,154 INFO L413 NwaCegarLoop]: 1720 mSDtfsCounter, 1540 mSDsluCounter, 1735 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1540 SdHoareTripleChecker+Valid, 3455 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:50,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1540 Valid, 3455 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:47:50,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:50,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:50,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6254512635379061) internal successors, (1801), 1108 states have internal predecessors, (1801), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:50,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1821 transitions. [2023-12-25 13:47:50,165 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1821 transitions. Word has length 469 [2023-12-25 13:47:50,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:50,165 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1821 transitions. [2023-12-25 13:47:50,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:50,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1821 transitions. [2023-12-25 13:47:50,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2023-12-25 13:47:50,167 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:50,168 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:50,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-12-25 13:47:50,168 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:50,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:50,168 INFO L85 PathProgramCache]: Analyzing trace with hash 294387925, now seen corresponding path program 1 times [2023-12-25 13:47:50,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:50,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920963431] [2023-12-25 13:47:50,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:50,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:51,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:51,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:51,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:51,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:47:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:51,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:47:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:51,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:47:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:51,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:47:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:51,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:47:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:51,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:47:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:51,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:47:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:51,083 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:51,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:51,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920963431] [2023-12-25 13:47:51,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920963431] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:51,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:51,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:51,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196351126] [2023-12-25 13:47:51,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:51,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:51,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:51,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:51,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:51,085 INFO L87 Difference]: Start difference. First operand 1120 states and 1821 transitions. Second operand has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:51,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:51,262 INFO L93 Difference]: Finished difference Result 2044 states and 3316 transitions. [2023-12-25 13:47:51,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:51,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 469 [2023-12-25 13:47:51,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:51,264 INFO L225 Difference]: With dead ends: 2044 [2023-12-25 13:47:51,264 INFO L226 Difference]: Without dead ends: 1120 [2023-12-25 13:47:51,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:51,265 INFO L413 NwaCegarLoop]: 1720 mSDtfsCounter, 2966 mSDsluCounter, 1722 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2966 SdHoareTripleChecker+Valid, 3442 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:51,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2966 Valid, 3442 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:47:51,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2023-12-25 13:47:51,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2023-12-25 13:47:51,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1108 states have (on average 1.6245487364620939) internal successors, (1800), 1108 states have internal predecessors, (1800), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:51,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1820 transitions. [2023-12-25 13:47:51,276 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1820 transitions. Word has length 469 [2023-12-25 13:47:51,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:51,276 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1820 transitions. [2023-12-25 13:47:51,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:51,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1820 transitions. [2023-12-25 13:47:51,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2023-12-25 13:47:51,279 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:51,279 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:51,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-12-25 13:47:51,279 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:51,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:51,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1734198185, now seen corresponding path program 1 times [2023-12-25 13:47:51,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:51,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157977779] [2023-12-25 13:47:51,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:51,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:53,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:53,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:53,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:53,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:47:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:53,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:47:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:53,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:47:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:53,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:47:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:53,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:47:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:53,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:47:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:53,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:47:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:53,035 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:53,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:53,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157977779] [2023-12-25 13:47:53,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157977779] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:53,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:53,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:53,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431909572] [2023-12-25 13:47:53,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:53,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:53,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:53,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:53,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:53,037 INFO L87 Difference]: Start difference. First operand 1120 states and 1820 transitions. Second operand has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 13:47:53,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:53,770 INFO L93 Difference]: Finished difference Result 2048 states and 3320 transitions. [2023-12-25 13:47:53,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 13:47:53,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 469 [2023-12-25 13:47:53,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:53,771 INFO L225 Difference]: With dead ends: 2048 [2023-12-25 13:47:53,771 INFO L226 Difference]: Without dead ends: 1124 [2023-12-25 13:47:53,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:53,772 INFO L413 NwaCegarLoop]: 1383 mSDtfsCounter, 1666 mSDsluCounter, 2728 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1669 SdHoareTripleChecker+Valid, 4111 SdHoareTripleChecker+Invalid, 1324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:53,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1669 Valid, 4111 Invalid, 1324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:47:53,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2023-12-25 13:47:53,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1122. [2023-12-25 13:47:53,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 1110 states have (on average 1.6234234234234235) internal successors, (1802), 1110 states have internal predecessors, (1802), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 13:47:53,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1822 transitions. [2023-12-25 13:47:53,783 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1822 transitions. Word has length 469 [2023-12-25 13:47:53,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:53,784 INFO L495 AbstractCegarLoop]: Abstraction has 1122 states and 1822 transitions. [2023-12-25 13:47:53,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-25 13:47:53,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1822 transitions. [2023-12-25 13:47:53,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2023-12-25 13:47:53,786 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:53,786 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:53,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-12-25 13:47:53,786 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:53,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:53,786 INFO L85 PathProgramCache]: Analyzing trace with hash 824823685, now seen corresponding path program 1 times [2023-12-25 13:47:53,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:53,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729565050] [2023-12-25 13:47:53,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:53,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:55,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:55,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:55,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:55,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:47:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:55,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:47:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:55,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:47:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:55,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:47:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:55,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:47:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:55,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:47:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:55,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:47:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:55,962 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-25 13:47:55,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:55,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729565050] [2023-12-25 13:47:55,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729565050] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:55,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:55,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 13:47:55,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432494158] [2023-12-25 13:47:55,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:55,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 13:47:55,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:55,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 13:47:55,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:55,965 INFO L87 Difference]: Start difference. First operand 1122 states and 1822 transitions. Second operand has 6 states, 6 states have (on average 70.5) internal successors, (423), 6 states have internal predecessors, (423), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:56,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:56,150 INFO L93 Difference]: Finished difference Result 3354 states and 5415 transitions. [2023-12-25 13:47:56,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 13:47:56,151 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 70.5) internal successors, (423), 6 states have internal predecessors, (423), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 470 [2023-12-25 13:47:56,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:56,154 INFO L225 Difference]: With dead ends: 3354 [2023-12-25 13:47:56,154 INFO L226 Difference]: Without dead ends: 2428 [2023-12-25 13:47:56,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:47:56,156 INFO L413 NwaCegarLoop]: 2383 mSDtfsCounter, 6351 mSDsluCounter, 5404 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6361 SdHoareTripleChecker+Valid, 7787 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:56,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6361 Valid, 7787 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:47:56,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2428 states. [2023-12-25 13:47:56,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2428 to 1515. [2023-12-25 13:47:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.606162089752177) internal successors, (2398), 1493 states have internal predecessors, (2398), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:47:56,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2438 transitions. [2023-12-25 13:47:56,177 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2438 transitions. Word has length 470 [2023-12-25 13:47:56,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:56,178 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2438 transitions. [2023-12-25 13:47:56,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 70.5) internal successors, (423), 6 states have internal predecessors, (423), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:47:56,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2438 transitions. [2023-12-25 13:47:56,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1152 [2023-12-25 13:47:56,187 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:56,188 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:56,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-12-25 13:47:56,188 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:56,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:56,188 INFO L85 PathProgramCache]: Analyzing trace with hash -30707940, now seen corresponding path program 1 times [2023-12-25 13:47:56,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:56,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792609135] [2023-12-25 13:47:56,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:56,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:47:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:47:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:47:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:47:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:47:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:47:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:47:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:47:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:47:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:47:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:47:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 825 [2023-12-25 13:47:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-25 13:47:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2023-12-25 13:47:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 872 [2023-12-25 13:47:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 891 [2023-12-25 13:47:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2023-12-25 13:47:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2023-12-25 13:47:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2023-12-25 13:47:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2023-12-25 13:47:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 953 [2023-12-25 13:47:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:47:59,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:47:59,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:47:59,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792609135] [2023-12-25 13:47:59,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792609135] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:47:59,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:47:59,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:47:59,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26359429] [2023-12-25 13:47:59,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:47:59,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:47:59,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:47:59,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:47:59,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:47:59,215 INFO L87 Difference]: Start difference. First operand 1515 states and 2438 transitions. Second operand has 5 states, 5 states have (on average 210.8) internal successors, (1054), 5 states have internal predecessors, (1054), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:47:59,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:47:59,423 INFO L93 Difference]: Finished difference Result 2441 states and 3934 transitions. [2023-12-25 13:47:59,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:47:59,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 210.8) internal successors, (1054), 5 states have internal predecessors, (1054), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1151 [2023-12-25 13:47:59,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:47:59,426 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:47:59,426 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:47:59,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:47:59,427 INFO L413 NwaCegarLoop]: 1720 mSDtfsCounter, 1586 mSDsluCounter, 1735 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1596 SdHoareTripleChecker+Valid, 3455 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:47:59,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1596 Valid, 3455 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:47:59,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:47:59,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:47:59,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.6054922973878099) internal successors, (2397), 1493 states have internal predecessors, (2397), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:47:59,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2437 transitions. [2023-12-25 13:47:59,451 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2437 transitions. Word has length 1151 [2023-12-25 13:47:59,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:47:59,453 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2437 transitions. [2023-12-25 13:47:59,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 210.8) internal successors, (1054), 5 states have internal predecessors, (1054), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:47:59,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2437 transitions. [2023-12-25 13:47:59,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1153 [2023-12-25 13:47:59,465 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:47:59,466 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:47:59,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-12-25 13:47:59,466 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:47:59,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:47:59,466 INFO L85 PathProgramCache]: Analyzing trace with hash 693570252, now seen corresponding path program 1 times [2023-12-25 13:47:59,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:47:59,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104191899] [2023-12-25 13:47:59,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:47:59,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2023-12-25 13:48:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 840 [2023-12-25 13:48:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2023-12-25 13:48:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 873 [2023-12-25 13:48:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 892 [2023-12-25 13:48:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 908 [2023-12-25 13:48:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 918 [2023-12-25 13:48:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 930 [2023-12-25 13:48:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 942 [2023-12-25 13:48:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 954 [2023-12-25 13:48:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:01,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:01,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:01,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104191899] [2023-12-25 13:48:01,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104191899] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:01,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:01,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:01,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610793780] [2023-12-25 13:48:01,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:01,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:01,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:01,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:01,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:01,359 INFO L87 Difference]: Start difference. First operand 1515 states and 2437 transitions. Second operand has 5 states, 5 states have (on average 211.0) internal successors, (1055), 5 states have internal predecessors, (1055), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:01,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:01,550 INFO L93 Difference]: Finished difference Result 2441 states and 3932 transitions. [2023-12-25 13:48:01,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:01,550 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 211.0) internal successors, (1055), 5 states have internal predecessors, (1055), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1152 [2023-12-25 13:48:01,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:01,552 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:01,552 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:01,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:01,553 INFO L413 NwaCegarLoop]: 1720 mSDtfsCounter, 2899 mSDsluCounter, 1722 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2909 SdHoareTripleChecker+Valid, 3442 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:01,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2909 Valid, 3442 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:48:01,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:01,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:01,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.6048225050234428) internal successors, (2396), 1493 states have internal predecessors, (2396), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:01,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2436 transitions. [2023-12-25 13:48:01,576 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2436 transitions. Word has length 1152 [2023-12-25 13:48:01,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:01,576 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2436 transitions. [2023-12-25 13:48:01,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 211.0) internal successors, (1055), 5 states have internal predecessors, (1055), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:01,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2436 transitions. [2023-12-25 13:48:01,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1154 [2023-12-25 13:48:01,606 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:01,606 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:01,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-12-25 13:48:01,607 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:01,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:01,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1813375950, now seen corresponding path program 1 times [2023-12-25 13:48:01,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:01,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195789936] [2023-12-25 13:48:01,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:01,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-25 13:48:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 841 [2023-12-25 13:48:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 855 [2023-12-25 13:48:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2023-12-25 13:48:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-25 13:48:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 909 [2023-12-25 13:48:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 919 [2023-12-25 13:48:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 931 [2023-12-25 13:48:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2023-12-25 13:48:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 955 [2023-12-25 13:48:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:03,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:03,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:03,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195789936] [2023-12-25 13:48:03,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195789936] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:03,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:03,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:03,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714046182] [2023-12-25 13:48:03,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:03,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:03,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:03,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:03,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:03,432 INFO L87 Difference]: Start difference. First operand 1515 states and 2436 transitions. Second operand has 5 states, 5 states have (on average 211.2) internal successors, (1056), 5 states have internal predecessors, (1056), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:03,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:03,588 INFO L93 Difference]: Finished difference Result 2441 states and 3930 transitions. [2023-12-25 13:48:03,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:03,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 211.2) internal successors, (1056), 5 states have internal predecessors, (1056), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1153 [2023-12-25 13:48:03,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:03,617 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:03,618 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:03,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:03,619 INFO L413 NwaCegarLoop]: 1720 mSDtfsCounter, 2883 mSDsluCounter, 1722 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2893 SdHoareTripleChecker+Valid, 3442 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:03,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2893 Valid, 3442 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:03,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:03,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:03,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.6041527126590758) internal successors, (2395), 1493 states have internal predecessors, (2395), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:03,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2435 transitions. [2023-12-25 13:48:03,654 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2435 transitions. Word has length 1153 [2023-12-25 13:48:03,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:03,655 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2435 transitions. [2023-12-25 13:48:03,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 211.2) internal successors, (1056), 5 states have internal predecessors, (1056), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:03,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2435 transitions. [2023-12-25 13:48:03,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1155 [2023-12-25 13:48:03,668 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:03,668 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:03,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-12-25 13:48:03,669 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:03,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:03,669 INFO L85 PathProgramCache]: Analyzing trace with hash -698769602, now seen corresponding path program 1 times [2023-12-25 13:48:03,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:03,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874572887] [2023-12-25 13:48:03,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:03,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 828 [2023-12-25 13:48:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 842 [2023-12-25 13:48:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 856 [2023-12-25 13:48:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-25 13:48:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 894 [2023-12-25 13:48:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 910 [2023-12-25 13:48:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 920 [2023-12-25 13:48:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2023-12-25 13:48:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2023-12-25 13:48:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 956 [2023-12-25 13:48:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:05,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:05,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:05,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874572887] [2023-12-25 13:48:05,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874572887] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:05,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:05,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:05,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451461810] [2023-12-25 13:48:05,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:05,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:05,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:05,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:05,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:05,495 INFO L87 Difference]: Start difference. First operand 1515 states and 2435 transitions. Second operand has 5 states, 5 states have (on average 211.4) internal successors, (1057), 5 states have internal predecessors, (1057), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:05,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:05,653 INFO L93 Difference]: Finished difference Result 2441 states and 3928 transitions. [2023-12-25 13:48:05,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:05,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 211.4) internal successors, (1057), 5 states have internal predecessors, (1057), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1154 [2023-12-25 13:48:05,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:05,656 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:05,656 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:05,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:05,657 INFO L413 NwaCegarLoop]: 1720 mSDtfsCounter, 1562 mSDsluCounter, 1735 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1572 SdHoareTripleChecker+Valid, 3455 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:05,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1572 Valid, 3455 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:05,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:05,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:05,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.6034829202947087) internal successors, (2394), 1493 states have internal predecessors, (2394), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:05,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2434 transitions. [2023-12-25 13:48:05,678 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2434 transitions. Word has length 1154 [2023-12-25 13:48:05,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:05,679 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2434 transitions. [2023-12-25 13:48:05,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 211.4) internal successors, (1057), 5 states have internal predecessors, (1057), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:05,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2434 transitions. [2023-12-25 13:48:05,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1156 [2023-12-25 13:48:05,688 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:05,689 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:05,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-12-25 13:48:05,689 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:05,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:05,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1277011072, now seen corresponding path program 1 times [2023-12-25 13:48:05,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:05,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070025989] [2023-12-25 13:48:05,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:05,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 829 [2023-12-25 13:48:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2023-12-25 13:48:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-25 13:48:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2023-12-25 13:48:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 895 [2023-12-25 13:48:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2023-12-25 13:48:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 921 [2023-12-25 13:48:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 933 [2023-12-25 13:48:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 945 [2023-12-25 13:48:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 957 [2023-12-25 13:48:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:07,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:07,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:07,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070025989] [2023-12-25 13:48:07,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070025989] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:07,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:07,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:07,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982955479] [2023-12-25 13:48:07,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:07,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:07,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:07,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:07,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:07,574 INFO L87 Difference]: Start difference. First operand 1515 states and 2434 transitions. Second operand has 5 states, 5 states have (on average 211.6) internal successors, (1058), 5 states have internal predecessors, (1058), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:07,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:07,706 INFO L93 Difference]: Finished difference Result 2441 states and 3926 transitions. [2023-12-25 13:48:07,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:07,707 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 211.6) internal successors, (1058), 5 states have internal predecessors, (1058), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1155 [2023-12-25 13:48:07,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:07,709 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:07,709 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:07,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:07,710 INFO L413 NwaCegarLoop]: 1750 mSDtfsCounter, 1548 mSDsluCounter, 1765 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 3515 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:07,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1558 Valid, 3515 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:07,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:07,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:07,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.6028131279303417) internal successors, (2393), 1493 states have internal predecessors, (2393), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:07,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2433 transitions. [2023-12-25 13:48:07,731 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2433 transitions. Word has length 1155 [2023-12-25 13:48:07,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:07,732 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2433 transitions. [2023-12-25 13:48:07,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 211.6) internal successors, (1058), 5 states have internal predecessors, (1058), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:07,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2433 transitions. [2023-12-25 13:48:07,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1157 [2023-12-25 13:48:07,778 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:07,778 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:07,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-12-25 13:48:07,778 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:07,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:07,779 INFO L85 PathProgramCache]: Analyzing trace with hash 957273776, now seen corresponding path program 1 times [2023-12-25 13:48:07,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:07,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219261847] [2023-12-25 13:48:07,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:07,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 830 [2023-12-25 13:48:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2023-12-25 13:48:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 858 [2023-12-25 13:48:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 877 [2023-12-25 13:48:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 896 [2023-12-25 13:48:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2023-12-25 13:48:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2023-12-25 13:48:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2023-12-25 13:48:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 946 [2023-12-25 13:48:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 958 [2023-12-25 13:48:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:09,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:09,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:09,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219261847] [2023-12-25 13:48:09,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219261847] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:09,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:09,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:09,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240326146] [2023-12-25 13:48:09,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:09,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:09,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:09,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:09,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:09,847 INFO L87 Difference]: Start difference. First operand 1515 states and 2433 transitions. Second operand has 5 states, 5 states have (on average 211.8) internal successors, (1059), 5 states have internal predecessors, (1059), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:09,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:09,966 INFO L93 Difference]: Finished difference Result 2441 states and 3924 transitions. [2023-12-25 13:48:09,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:09,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 211.8) internal successors, (1059), 5 states have internal predecessors, (1059), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1156 [2023-12-25 13:48:09,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:09,969 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:09,969 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:09,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:09,970 INFO L413 NwaCegarLoop]: 1749 mSDtfsCounter, 1540 mSDsluCounter, 1764 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1550 SdHoareTripleChecker+Valid, 3513 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:09,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1550 Valid, 3513 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:09,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:09,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:09,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.6021433355659747) internal successors, (2392), 1493 states have internal predecessors, (2392), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:09,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2432 transitions. [2023-12-25 13:48:09,988 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2432 transitions. Word has length 1156 [2023-12-25 13:48:09,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:09,989 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2432 transitions. [2023-12-25 13:48:09,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 211.8) internal successors, (1059), 5 states have internal predecessors, (1059), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:09,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2432 transitions. [2023-12-25 13:48:09,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1158 [2023-12-25 13:48:09,998 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:09,999 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:09,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-12-25 13:48:09,999 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:09,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:09,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1107770930, now seen corresponding path program 1 times [2023-12-25 13:48:09,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:10,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901294279] [2023-12-25 13:48:10,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:10,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 831 [2023-12-25 13:48:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-25 13:48:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 859 [2023-12-25 13:48:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 878 [2023-12-25 13:48:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 897 [2023-12-25 13:48:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 913 [2023-12-25 13:48:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2023-12-25 13:48:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 935 [2023-12-25 13:48:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2023-12-25 13:48:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2023-12-25 13:48:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:11,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:11,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:11,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901294279] [2023-12-25 13:48:11,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901294279] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:11,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:11,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:11,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053582182] [2023-12-25 13:48:11,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:11,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:11,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:11,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:11,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:11,983 INFO L87 Difference]: Start difference. First operand 1515 states and 2432 transitions. Second operand has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-25 13:48:12,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:12,593 INFO L93 Difference]: Finished difference Result 2441 states and 3922 transitions. [2023-12-25 13:48:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:12,593 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 1157 [2023-12-25 13:48:12,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:12,595 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:12,595 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:12,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:12,596 INFO L413 NwaCegarLoop]: 1358 mSDtfsCounter, 1446 mSDsluCounter, 1373 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 2731 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:12,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1449 Valid, 2731 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:48:12,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:12,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:12,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.6014735432016074) internal successors, (2391), 1493 states have internal predecessors, (2391), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:12,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2431 transitions. [2023-12-25 13:48:12,615 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2431 transitions. Word has length 1157 [2023-12-25 13:48:12,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:12,615 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2431 transitions. [2023-12-25 13:48:12,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-25 13:48:12,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2431 transitions. [2023-12-25 13:48:12,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1159 [2023-12-25 13:48:12,625 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:12,626 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:12,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-12-25 13:48:12,626 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:12,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:12,626 INFO L85 PathProgramCache]: Analyzing trace with hash -890162910, now seen corresponding path program 1 times [2023-12-25 13:48:12,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:12,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496992948] [2023-12-25 13:48:12,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:12,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 832 [2023-12-25 13:48:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-12-25 13:48:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-12-25 13:48:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 879 [2023-12-25 13:48:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2023-12-25 13:48:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2023-12-25 13:48:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 924 [2023-12-25 13:48:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2023-12-25 13:48:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 948 [2023-12-25 13:48:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2023-12-25 13:48:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:14,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:14,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:14,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496992948] [2023-12-25 13:48:14,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496992948] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:14,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:14,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:14,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982705824] [2023-12-25 13:48:14,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:14,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:14,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:14,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:14,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:14,493 INFO L87 Difference]: Start difference. First operand 1515 states and 2431 transitions. Second operand has 5 states, 5 states have (on average 212.2) internal successors, (1061), 5 states have internal predecessors, (1061), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:14,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:14,650 INFO L93 Difference]: Finished difference Result 2441 states and 3920 transitions. [2023-12-25 13:48:14,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:14,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 212.2) internal successors, (1061), 5 states have internal predecessors, (1061), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1158 [2023-12-25 13:48:14,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:14,652 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:14,652 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:14,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:14,654 INFO L413 NwaCegarLoop]: 1717 mSDtfsCounter, 2703 mSDsluCounter, 1719 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2713 SdHoareTripleChecker+Valid, 3436 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:14,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2713 Valid, 3436 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:14,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:14,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:14,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.6008037508372404) internal successors, (2390), 1493 states have internal predecessors, (2390), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:14,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2430 transitions. [2023-12-25 13:48:14,674 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2430 transitions. Word has length 1158 [2023-12-25 13:48:14,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:14,675 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2430 transitions. [2023-12-25 13:48:14,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 212.2) internal successors, (1061), 5 states have internal predecessors, (1061), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:14,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2430 transitions. [2023-12-25 13:48:14,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2023-12-25 13:48:14,685 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:14,685 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:14,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-12-25 13:48:14,686 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:14,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:14,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1848621478, now seen corresponding path program 1 times [2023-12-25 13:48:14,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:14,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58022514] [2023-12-25 13:48:14,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:14,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-25 13:48:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 847 [2023-12-25 13:48:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 861 [2023-12-25 13:48:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2023-12-25 13:48:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2023-12-25 13:48:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 915 [2023-12-25 13:48:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2023-12-25 13:48:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 937 [2023-12-25 13:48:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 949 [2023-12-25 13:48:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2023-12-25 13:48:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:16,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:16,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:16,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58022514] [2023-12-25 13:48:16,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58022514] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:16,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:16,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:16,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049257861] [2023-12-25 13:48:16,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:16,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:16,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:16,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:16,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:16,513 INFO L87 Difference]: Start difference. First operand 1515 states and 2430 transitions. Second operand has 5 states, 5 states have (on average 212.4) internal successors, (1062), 5 states have internal predecessors, (1062), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:16,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:16,673 INFO L93 Difference]: Finished difference Result 2441 states and 3918 transitions. [2023-12-25 13:48:16,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:16,674 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 212.4) internal successors, (1062), 5 states have internal predecessors, (1062), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1159 [2023-12-25 13:48:16,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:16,675 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:16,675 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:16,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:16,677 INFO L413 NwaCegarLoop]: 1717 mSDtfsCounter, 2687 mSDsluCounter, 1719 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2697 SdHoareTripleChecker+Valid, 3436 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:16,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2697 Valid, 3436 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:16,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:16,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:16,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.6001339584728733) internal successors, (2389), 1493 states have internal predecessors, (2389), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:16,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2429 transitions. [2023-12-25 13:48:16,695 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2429 transitions. Word has length 1159 [2023-12-25 13:48:16,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:16,696 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2429 transitions. [2023-12-25 13:48:16,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 212.4) internal successors, (1062), 5 states have internal predecessors, (1062), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:16,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2429 transitions. [2023-12-25 13:48:16,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1161 [2023-12-25 13:48:16,705 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:16,706 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:16,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-12-25 13:48:16,708 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:16,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:16,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1459490260, now seen corresponding path program 1 times [2023-12-25 13:48:16,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:16,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152655931] [2023-12-25 13:48:16,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:16,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 834 [2023-12-25 13:48:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 848 [2023-12-25 13:48:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2023-12-25 13:48:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-25 13:48:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 900 [2023-12-25 13:48:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2023-12-25 13:48:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2023-12-25 13:48:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2023-12-25 13:48:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2023-12-25 13:48:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2023-12-25 13:48:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:18,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:18,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:18,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152655931] [2023-12-25 13:48:18,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152655931] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:18,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:18,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:18,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4665502] [2023-12-25 13:48:18,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:18,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:18,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:18,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:18,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:18,526 INFO L87 Difference]: Start difference. First operand 1515 states and 2429 transitions. Second operand has 5 states, 5 states have (on average 212.6) internal successors, (1063), 5 states have internal predecessors, (1063), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:18,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:18,662 INFO L93 Difference]: Finished difference Result 2441 states and 3916 transitions. [2023-12-25 13:48:18,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:18,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 212.6) internal successors, (1063), 5 states have internal predecessors, (1063), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1160 [2023-12-25 13:48:18,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:18,664 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:18,664 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:18,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:18,673 INFO L413 NwaCegarLoop]: 1717 mSDtfsCounter, 2671 mSDsluCounter, 1719 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2681 SdHoareTripleChecker+Valid, 3436 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:18,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2681 Valid, 3436 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:18,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:18,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:18,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.5994641661085063) internal successors, (2388), 1493 states have internal predecessors, (2388), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:18,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2428 transitions. [2023-12-25 13:48:18,695 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2428 transitions. Word has length 1160 [2023-12-25 13:48:18,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:18,696 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2428 transitions. [2023-12-25 13:48:18,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 212.6) internal successors, (1063), 5 states have internal predecessors, (1063), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:18,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2428 transitions. [2023-12-25 13:48:18,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1162 [2023-12-25 13:48:18,705 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:18,706 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:18,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-12-25 13:48:18,706 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:18,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:18,707 INFO L85 PathProgramCache]: Analyzing trace with hash 171055308, now seen corresponding path program 1 times [2023-12-25 13:48:18,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:18,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317852426] [2023-12-25 13:48:18,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:18,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2023-12-25 13:48:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 849 [2023-12-25 13:48:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-25 13:48:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 882 [2023-12-25 13:48:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 901 [2023-12-25 13:48:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2023-12-25 13:48:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 927 [2023-12-25 13:48:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 939 [2023-12-25 13:48:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 951 [2023-12-25 13:48:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 963 [2023-12-25 13:48:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:20,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:20,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:20,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317852426] [2023-12-25 13:48:20,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317852426] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:20,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:20,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:20,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088173424] [2023-12-25 13:48:20,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:20,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:20,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:20,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:20,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:20,537 INFO L87 Difference]: Start difference. First operand 1515 states and 2428 transitions. Second operand has 5 states, 5 states have (on average 212.8) internal successors, (1064), 5 states have internal predecessors, (1064), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:20,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:20,690 INFO L93 Difference]: Finished difference Result 2441 states and 3914 transitions. [2023-12-25 13:48:20,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:20,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 212.8) internal successors, (1064), 5 states have internal predecessors, (1064), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1161 [2023-12-25 13:48:20,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:20,692 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:20,692 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:20,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:20,694 INFO L413 NwaCegarLoop]: 1717 mSDtfsCounter, 1456 mSDsluCounter, 1732 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1466 SdHoareTripleChecker+Valid, 3449 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:20,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1466 Valid, 3449 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:20,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:20,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:20,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.5987943737441392) internal successors, (2387), 1493 states have internal predecessors, (2387), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:20,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2427 transitions. [2023-12-25 13:48:20,711 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2427 transitions. Word has length 1161 [2023-12-25 13:48:20,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:20,711 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2427 transitions. [2023-12-25 13:48:20,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 212.8) internal successors, (1064), 5 states have internal predecessors, (1064), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:20,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2427 transitions. [2023-12-25 13:48:20,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1163 [2023-12-25 13:48:20,721 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:20,722 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:20,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-12-25 13:48:20,723 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:20,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:20,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1821842822, now seen corresponding path program 1 times [2023-12-25 13:48:20,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:20,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703820349] [2023-12-25 13:48:20,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:20,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2023-12-25 13:48:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 850 [2023-12-25 13:48:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 864 [2023-12-25 13:48:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 883 [2023-12-25 13:48:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 902 [2023-12-25 13:48:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 918 [2023-12-25 13:48:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2023-12-25 13:48:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 940 [2023-12-25 13:48:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2023-12-25 13:48:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 964 [2023-12-25 13:48:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:22,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:22,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:22,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703820349] [2023-12-25 13:48:22,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703820349] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:22,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:22,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:22,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920068392] [2023-12-25 13:48:22,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:22,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:22,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:22,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:22,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:22,575 INFO L87 Difference]: Start difference. First operand 1515 states and 2427 transitions. Second operand has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:22,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:22,684 INFO L93 Difference]: Finished difference Result 2441 states and 3912 transitions. [2023-12-25 13:48:22,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:22,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1162 [2023-12-25 13:48:22,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:22,686 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:22,686 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:22,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:22,687 INFO L413 NwaCegarLoop]: 1745 mSDtfsCounter, 1442 mSDsluCounter, 1760 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1452 SdHoareTripleChecker+Valid, 3505 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:22,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1452 Valid, 3505 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:22,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:22,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:22,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.5981245813797722) internal successors, (2386), 1493 states have internal predecessors, (2386), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:22,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2426 transitions. [2023-12-25 13:48:22,704 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2426 transitions. Word has length 1162 [2023-12-25 13:48:22,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:22,705 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2426 transitions. [2023-12-25 13:48:22,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:22,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2426 transitions. [2023-12-25 13:48:22,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1164 [2023-12-25 13:48:22,714 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:22,715 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:22,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-12-25 13:48:22,715 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:22,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:22,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1524715070, now seen corresponding path program 1 times [2023-12-25 13:48:22,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:22,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087586982] [2023-12-25 13:48:22,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:22,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 837 [2023-12-25 13:48:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-25 13:48:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 865 [2023-12-25 13:48:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2023-12-25 13:48:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 903 [2023-12-25 13:48:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 919 [2023-12-25 13:48:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2023-12-25 13:48:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2023-12-25 13:48:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 953 [2023-12-25 13:48:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 965 [2023-12-25 13:48:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:24,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:24,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087586982] [2023-12-25 13:48:24,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087586982] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:24,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:24,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:24,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790063328] [2023-12-25 13:48:24,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:24,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:24,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:24,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:24,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:24,677 INFO L87 Difference]: Start difference. First operand 1515 states and 2426 transitions. Second operand has 5 states, 5 states have (on average 213.2) internal successors, (1066), 5 states have internal predecessors, (1066), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:24,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:24,785 INFO L93 Difference]: Finished difference Result 2441 states and 3910 transitions. [2023-12-25 13:48:24,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:24,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 213.2) internal successors, (1066), 5 states have internal predecessors, (1066), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1163 [2023-12-25 13:48:24,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:24,787 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:24,787 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:24,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:24,788 INFO L413 NwaCegarLoop]: 1744 mSDtfsCounter, 1434 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1444 SdHoareTripleChecker+Valid, 3503 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:24,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1444 Valid, 3503 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:24,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:24,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:24,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.5974547890154052) internal successors, (2385), 1493 states have internal predecessors, (2385), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:24,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2425 transitions. [2023-12-25 13:48:24,808 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2425 transitions. Word has length 1163 [2023-12-25 13:48:24,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:24,808 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2425 transitions. [2023-12-25 13:48:24,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 213.2) internal successors, (1066), 5 states have internal predecessors, (1066), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:24,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2425 transitions. [2023-12-25 13:48:24,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1165 [2023-12-25 13:48:24,818 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:24,819 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:24,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-12-25 13:48:24,819 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:24,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:24,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1744641992, now seen corresponding path program 1 times [2023-12-25 13:48:24,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:24,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51980372] [2023-12-25 13:48:24,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:24,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 838 [2023-12-25 13:48:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 852 [2023-12-25 13:48:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 866 [2023-12-25 13:48:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 885 [2023-12-25 13:48:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 904 [2023-12-25 13:48:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 920 [2023-12-25 13:48:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 930 [2023-12-25 13:48:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 942 [2023-12-25 13:48:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 954 [2023-12-25 13:48:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 966 [2023-12-25 13:48:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:26,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:26,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:26,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51980372] [2023-12-25 13:48:26,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51980372] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:26,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:26,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:26,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462445782] [2023-12-25 13:48:26,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:26,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:26,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:26,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:26,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:26,783 INFO L87 Difference]: Start difference. First operand 1515 states and 2425 transitions. Second operand has 5 states, 5 states have (on average 213.4) internal successors, (1067), 5 states have internal predecessors, (1067), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-25 13:48:27,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:27,352 INFO L93 Difference]: Finished difference Result 2441 states and 3908 transitions. [2023-12-25 13:48:27,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:27,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 213.4) internal successors, (1067), 5 states have internal predecessors, (1067), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 1164 [2023-12-25 13:48:27,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:27,354 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:27,354 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:27,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:27,355 INFO L413 NwaCegarLoop]: 1352 mSDtfsCounter, 1340 mSDsluCounter, 1367 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1343 SdHoareTripleChecker+Valid, 2719 SdHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:27,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1343 Valid, 2719 Invalid, 908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 13:48:27,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:27,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:27,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.5967849966510381) internal successors, (2384), 1493 states have internal predecessors, (2384), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:27,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2424 transitions. [2023-12-25 13:48:27,412 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2424 transitions. Word has length 1164 [2023-12-25 13:48:27,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:27,413 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2424 transitions. [2023-12-25 13:48:27,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 213.4) internal successors, (1067), 5 states have internal predecessors, (1067), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-25 13:48:27,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2424 transitions. [2023-12-25 13:48:27,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1166 [2023-12-25 13:48:27,422 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:27,422 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:27,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-12-25 13:48:27,423 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:27,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:27,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1425512784, now seen corresponding path program 1 times [2023-12-25 13:48:27,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:27,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152914530] [2023-12-25 13:48:27,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:27,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-25 13:48:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2023-12-25 13:48:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 867 [2023-12-25 13:48:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 886 [2023-12-25 13:48:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2023-12-25 13:48:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 921 [2023-12-25 13:48:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 931 [2023-12-25 13:48:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2023-12-25 13:48:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 955 [2023-12-25 13:48:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 967 [2023-12-25 13:48:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:29,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:29,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152914530] [2023-12-25 13:48:29,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152914530] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:29,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:29,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:29,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010086473] [2023-12-25 13:48:29,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:29,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:29,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:29,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:29,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:29,423 INFO L87 Difference]: Start difference. First operand 1515 states and 2424 transitions. Second operand has 5 states, 5 states have (on average 213.6) internal successors, (1068), 5 states have internal predecessors, (1068), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:29,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:29,576 INFO L93 Difference]: Finished difference Result 2441 states and 3906 transitions. [2023-12-25 13:48:29,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:29,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 213.6) internal successors, (1068), 5 states have internal predecessors, (1068), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1165 [2023-12-25 13:48:29,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:29,578 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:29,578 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:29,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:29,579 INFO L413 NwaCegarLoop]: 1714 mSDtfsCounter, 2491 mSDsluCounter, 1716 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2501 SdHoareTripleChecker+Valid, 3430 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:29,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2501 Valid, 3430 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:29,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:29,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.596115204286671) internal successors, (2383), 1493 states have internal predecessors, (2383), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:29,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2423 transitions. [2023-12-25 13:48:29,597 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2423 transitions. Word has length 1165 [2023-12-25 13:48:29,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:29,597 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2423 transitions. [2023-12-25 13:48:29,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 213.6) internal successors, (1068), 5 states have internal predecessors, (1068), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:29,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2423 transitions. [2023-12-25 13:48:29,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1167 [2023-12-25 13:48:29,607 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:29,608 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:29,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-12-25 13:48:29,608 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:29,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:29,608 INFO L85 PathProgramCache]: Analyzing trace with hash -428546720, now seen corresponding path program 1 times [2023-12-25 13:48:29,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:29,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890262120] [2023-12-25 13:48:29,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:29,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 840 [2023-12-25 13:48:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2023-12-25 13:48:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 868 [2023-12-25 13:48:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2023-12-25 13:48:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 906 [2023-12-25 13:48:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2023-12-25 13:48:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2023-12-25 13:48:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2023-12-25 13:48:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 956 [2023-12-25 13:48:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2023-12-25 13:48:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:31,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:31,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:31,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890262120] [2023-12-25 13:48:31,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890262120] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:31,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:31,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:31,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025186098] [2023-12-25 13:48:31,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:31,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:31,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:31,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:31,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:31,556 INFO L87 Difference]: Start difference. First operand 1515 states and 2423 transitions. Second operand has 5 states, 5 states have (on average 213.8) internal successors, (1069), 5 states have internal predecessors, (1069), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:31,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:31,713 INFO L93 Difference]: Finished difference Result 2441 states and 3904 transitions. [2023-12-25 13:48:31,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:31,714 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 213.8) internal successors, (1069), 5 states have internal predecessors, (1069), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1166 [2023-12-25 13:48:31,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:31,716 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:31,716 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:31,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:31,717 INFO L413 NwaCegarLoop]: 1714 mSDtfsCounter, 2475 mSDsluCounter, 1716 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2485 SdHoareTripleChecker+Valid, 3430 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:31,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2485 Valid, 3430 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:31,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:31,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:31,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.595445411922304) internal successors, (2382), 1493 states have internal predecessors, (2382), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:31,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2422 transitions. [2023-12-25 13:48:31,734 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2422 transitions. Word has length 1166 [2023-12-25 13:48:31,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:31,735 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2422 transitions. [2023-12-25 13:48:31,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 213.8) internal successors, (1069), 5 states have internal predecessors, (1069), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:31,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2422 transitions. [2023-12-25 13:48:31,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1168 [2023-12-25 13:48:31,744 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:31,745 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:31,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-12-25 13:48:31,745 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:31,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:31,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1933958814, now seen corresponding path program 1 times [2023-12-25 13:48:31,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:31,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181789804] [2023-12-25 13:48:31,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:31,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 841 [2023-12-25 13:48:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 855 [2023-12-25 13:48:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-25 13:48:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 888 [2023-12-25 13:48:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2023-12-25 13:48:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2023-12-25 13:48:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 933 [2023-12-25 13:48:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 945 [2023-12-25 13:48:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 957 [2023-12-25 13:48:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 969 [2023-12-25 13:48:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:33,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:33,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:33,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181789804] [2023-12-25 13:48:33,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181789804] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:33,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:33,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:33,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576398713] [2023-12-25 13:48:33,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:33,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:33,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:33,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:33,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:33,630 INFO L87 Difference]: Start difference. First operand 1515 states and 2422 transitions. Second operand has 5 states, 5 states have (on average 214.0) internal successors, (1070), 5 states have internal predecessors, (1070), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:33,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:33,778 INFO L93 Difference]: Finished difference Result 2441 states and 3902 transitions. [2023-12-25 13:48:33,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:33,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 214.0) internal successors, (1070), 5 states have internal predecessors, (1070), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1167 [2023-12-25 13:48:33,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:33,780 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:33,780 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:33,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:33,781 INFO L413 NwaCegarLoop]: 1714 mSDtfsCounter, 2459 mSDsluCounter, 1716 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2469 SdHoareTripleChecker+Valid, 3430 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:33,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2469 Valid, 3430 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:33,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:33,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:33,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.594775619557937) internal successors, (2381), 1493 states have internal predecessors, (2381), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:33,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2421 transitions. [2023-12-25 13:48:33,797 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2421 transitions. Word has length 1167 [2023-12-25 13:48:33,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:33,797 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2421 transitions. [2023-12-25 13:48:33,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 214.0) internal successors, (1070), 5 states have internal predecessors, (1070), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:33,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2421 transitions. [2023-12-25 13:48:33,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1169 [2023-12-25 13:48:33,806 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:33,807 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:33,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-12-25 13:48:33,807 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:33,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:33,807 INFO L85 PathProgramCache]: Analyzing trace with hash -924043310, now seen corresponding path program 1 times [2023-12-25 13:48:33,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:33,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963800357] [2023-12-25 13:48:33,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:33,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 842 [2023-12-25 13:48:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 856 [2023-12-25 13:48:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 870 [2023-12-25 13:48:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2023-12-25 13:48:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 908 [2023-12-25 13:48:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 924 [2023-12-25 13:48:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2023-12-25 13:48:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 946 [2023-12-25 13:48:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 958 [2023-12-25 13:48:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2023-12-25 13:48:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:35,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:35,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:35,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963800357] [2023-12-25 13:48:35,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963800357] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:35,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:35,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:35,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111489141] [2023-12-25 13:48:35,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:35,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:35,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:35,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:35,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:35,689 INFO L87 Difference]: Start difference. First operand 1515 states and 2421 transitions. Second operand has 5 states, 5 states have (on average 214.2) internal successors, (1071), 5 states have internal predecessors, (1071), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:35,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:35,831 INFO L93 Difference]: Finished difference Result 2441 states and 3900 transitions. [2023-12-25 13:48:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:35,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 214.2) internal successors, (1071), 5 states have internal predecessors, (1071), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1168 [2023-12-25 13:48:35,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:35,833 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:35,833 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:35,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:35,837 INFO L413 NwaCegarLoop]: 1714 mSDtfsCounter, 1350 mSDsluCounter, 1729 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1360 SdHoareTripleChecker+Valid, 3443 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:35,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1360 Valid, 3443 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:35,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:35,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:35,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.59410582719357) internal successors, (2380), 1493 states have internal predecessors, (2380), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:35,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2420 transitions. [2023-12-25 13:48:35,870 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2420 transitions. Word has length 1168 [2023-12-25 13:48:35,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:35,870 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2420 transitions. [2023-12-25 13:48:35,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 214.2) internal successors, (1071), 5 states have internal predecessors, (1071), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:35,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2420 transitions. [2023-12-25 13:48:35,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1170 [2023-12-25 13:48:35,882 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:35,883 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:35,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-12-25 13:48:35,883 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:35,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:35,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1893388052, now seen corresponding path program 1 times [2023-12-25 13:48:35,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:35,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124332558] [2023-12-25 13:48:35,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:35,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2023-12-25 13:48:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-25 13:48:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2023-12-25 13:48:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 890 [2023-12-25 13:48:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 909 [2023-12-25 13:48:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2023-12-25 13:48:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 935 [2023-12-25 13:48:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2023-12-25 13:48:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2023-12-25 13:48:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 971 [2023-12-25 13:48:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:37,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:37,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:37,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124332558] [2023-12-25 13:48:37,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124332558] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:37,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:37,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:37,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933779587] [2023-12-25 13:48:37,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:37,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:37,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:37,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:37,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:37,798 INFO L87 Difference]: Start difference. First operand 1515 states and 2420 transitions. Second operand has 5 states, 5 states have (on average 214.4) internal successors, (1072), 5 states have internal predecessors, (1072), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:37,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:37,912 INFO L93 Difference]: Finished difference Result 2441 states and 3898 transitions. [2023-12-25 13:48:37,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:37,913 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 214.4) internal successors, (1072), 5 states have internal predecessors, (1072), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1169 [2023-12-25 13:48:37,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:37,914 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:37,914 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:37,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:37,915 INFO L413 NwaCegarLoop]: 1740 mSDtfsCounter, 2421 mSDsluCounter, 1742 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2431 SdHoareTripleChecker+Valid, 3482 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:37,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2431 Valid, 3482 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:37,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:37,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:37,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.593436034829203) internal successors, (2379), 1493 states have internal predecessors, (2379), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:37,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2419 transitions. [2023-12-25 13:48:37,931 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2419 transitions. Word has length 1169 [2023-12-25 13:48:37,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:37,931 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2419 transitions. [2023-12-25 13:48:37,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 214.4) internal successors, (1072), 5 states have internal predecessors, (1072), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:37,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2419 transitions. [2023-12-25 13:48:37,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1171 [2023-12-25 13:48:37,940 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:37,941 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:37,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-12-25 13:48:37,941 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:37,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:37,941 INFO L85 PathProgramCache]: Analyzing trace with hash -643617468, now seen corresponding path program 1 times [2023-12-25 13:48:37,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:37,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412588258] [2023-12-25 13:48:37,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:37,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2023-12-25 13:48:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 858 [2023-12-25 13:48:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 872 [2023-12-25 13:48:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 891 [2023-12-25 13:48:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 910 [2023-12-25 13:48:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2023-12-25 13:48:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2023-12-25 13:48:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 948 [2023-12-25 13:48:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2023-12-25 13:48:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 972 [2023-12-25 13:48:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:39,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:39,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:39,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412588258] [2023-12-25 13:48:39,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412588258] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:39,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:39,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:39,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763910766] [2023-12-25 13:48:39,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:39,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:39,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:39,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:39,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:39,951 INFO L87 Difference]: Start difference. First operand 1515 states and 2419 transitions. Second operand has 5 states, 5 states have (on average 214.6) internal successors, (1073), 5 states have internal predecessors, (1073), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:40,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:40,050 INFO L93 Difference]: Finished difference Result 2441 states and 3896 transitions. [2023-12-25 13:48:40,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:40,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 214.6) internal successors, (1073), 5 states have internal predecessors, (1073), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1170 [2023-12-25 13:48:40,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:40,068 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:40,068 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:40,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:40,070 INFO L413 NwaCegarLoop]: 1739 mSDtfsCounter, 2405 mSDsluCounter, 1741 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2415 SdHoareTripleChecker+Valid, 3480 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:40,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2415 Valid, 3480 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:40,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:40,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:40,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.592766242464836) internal successors, (2378), 1493 states have internal predecessors, (2378), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:40,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2418 transitions. [2023-12-25 13:48:40,085 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2418 transitions. Word has length 1170 [2023-12-25 13:48:40,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:40,086 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2418 transitions. [2023-12-25 13:48:40,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 214.6) internal successors, (1073), 5 states have internal predecessors, (1073), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:40,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2418 transitions. [2023-12-25 13:48:40,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1172 [2023-12-25 13:48:40,095 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:40,096 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:40,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-12-25 13:48:40,096 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:40,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:40,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1734406086, now seen corresponding path program 1 times [2023-12-25 13:48:40,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:40,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934420804] [2023-12-25 13:48:40,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:40,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-25 13:48:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 859 [2023-12-25 13:48:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 873 [2023-12-25 13:48:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 892 [2023-12-25 13:48:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2023-12-25 13:48:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 927 [2023-12-25 13:48:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 937 [2023-12-25 13:48:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 949 [2023-12-25 13:48:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2023-12-25 13:48:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 973 [2023-12-25 13:48:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:42,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:42,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:42,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934420804] [2023-12-25 13:48:42,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934420804] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:42,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:42,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:48:42,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923302744] [2023-12-25 13:48:42,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:42,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:48:42,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:42,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:48:42,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:42,074 INFO L87 Difference]: Start difference. First operand 1515 states and 2418 transitions. Second operand has 5 states, 5 states have (on average 214.8) internal successors, (1074), 5 states have internal predecessors, (1074), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-25 13:48:42,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:42,629 INFO L93 Difference]: Finished difference Result 2441 states and 3894 transitions. [2023-12-25 13:48:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:42,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 214.8) internal successors, (1074), 5 states have internal predecessors, (1074), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 1171 [2023-12-25 13:48:42,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:42,631 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:42,631 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:42,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:48:42,633 INFO L413 NwaCegarLoop]: 1346 mSDtfsCounter, 2303 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2306 SdHoareTripleChecker+Valid, 2694 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:42,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2306 Valid, 2694 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 13:48:42,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:42,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:42,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.5920964501004689) internal successors, (2377), 1493 states have internal predecessors, (2377), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:42,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2417 transitions. [2023-12-25 13:48:42,651 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2417 transitions. Word has length 1171 [2023-12-25 13:48:42,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:42,652 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2417 transitions. [2023-12-25 13:48:42,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 214.8) internal successors, (1074), 5 states have internal predecessors, (1074), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-25 13:48:42,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2417 transitions. [2023-12-25 13:48:42,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2023-12-25 13:48:42,679 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:42,680 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:42,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-12-25 13:48:42,680 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:42,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:42,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1167345078, now seen corresponding path program 1 times [2023-12-25 13:48:42,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:42,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766629082] [2023-12-25 13:48:42,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:42,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-12-25 13:48:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-12-25 13:48:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2023-12-25 13:48:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-25 13:48:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2023-12-25 13:48:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2023-12-25 13:48:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2023-12-25 13:48:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2023-12-25 13:48:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2023-12-25 13:48:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 13:48:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:47,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:47,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:47,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766629082] [2023-12-25 13:48:47,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766629082] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:47,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:47,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:48:47,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703257361] [2023-12-25 13:48:47,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:47,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:48:47,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:47,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:48:47,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:48:47,225 INFO L87 Difference]: Start difference. First operand 1515 states and 2417 transitions. Second operand has 4 states, 4 states have (on average 268.75) internal successors, (1075), 4 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:47,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:47,336 INFO L93 Difference]: Finished difference Result 2441 states and 3892 transitions. [2023-12-25 13:48:47,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:47,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 268.75) internal successors, (1075), 4 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1172 [2023-12-25 13:48:47,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:47,338 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:47,338 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:47,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:47,340 INFO L413 NwaCegarLoop]: 1738 mSDtfsCounter, 1274 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1274 SdHoareTripleChecker+Valid, 3478 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:47,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1274 Valid, 3478 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:47,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:47,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:47,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.5914266577361018) internal successors, (2376), 1493 states have internal predecessors, (2376), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:47,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2416 transitions. [2023-12-25 13:48:47,356 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2416 transitions. Word has length 1172 [2023-12-25 13:48:47,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:47,356 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2416 transitions. [2023-12-25 13:48:47,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 268.75) internal successors, (1075), 4 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:47,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2416 transitions. [2023-12-25 13:48:47,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2023-12-25 13:48:47,365 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:47,366 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:47,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-12-25 13:48:47,366 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:47,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:47,366 INFO L85 PathProgramCache]: Analyzing trace with hash 616755444, now seen corresponding path program 1 times [2023-12-25 13:48:47,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:47,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982999904] [2023-12-25 13:48:47,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:47,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-12-25 13:48:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-12-25 13:48:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2023-12-25 13:48:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-25 13:48:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2023-12-25 13:48:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2023-12-25 13:48:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2023-12-25 13:48:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2023-12-25 13:48:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2023-12-25 13:48:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 13:48:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:51,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:51,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:51,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982999904] [2023-12-25 13:48:51,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982999904] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:51,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:51,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:48:51,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056072083] [2023-12-25 13:48:51,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:51,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:48:51,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:51,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:48:51,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:48:51,468 INFO L87 Difference]: Start difference. First operand 1515 states and 2416 transitions. Second operand has 4 states, 4 states have (on average 268.75) internal successors, (1075), 4 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:51,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:51,568 INFO L93 Difference]: Finished difference Result 2441 states and 3890 transitions. [2023-12-25 13:48:51,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:51,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 268.75) internal successors, (1075), 4 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1172 [2023-12-25 13:48:51,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:51,570 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:51,570 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:51,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:51,571 INFO L413 NwaCegarLoop]: 1738 mSDtfsCounter, 1174 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1174 SdHoareTripleChecker+Valid, 3478 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:51,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1174 Valid, 3478 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:51,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:51,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:51,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.5907568653717348) internal successors, (2375), 1493 states have internal predecessors, (2375), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:51,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2415 transitions. [2023-12-25 13:48:51,618 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2415 transitions. Word has length 1172 [2023-12-25 13:48:51,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:51,618 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2415 transitions. [2023-12-25 13:48:51,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 268.75) internal successors, (1075), 4 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:51,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2415 transitions. [2023-12-25 13:48:51,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2023-12-25 13:48:51,632 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:51,633 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:51,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-12-25 13:48:51,633 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:51,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:51,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1994140042, now seen corresponding path program 1 times [2023-12-25 13:48:51,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:51,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977352833] [2023-12-25 13:48:51,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:51,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:48:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:48:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:48:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:48:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:48:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:48:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:48:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:48:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:48:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:48:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:48:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-12-25 13:48:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-12-25 13:48:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2023-12-25 13:48:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-25 13:48:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2023-12-25 13:48:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2023-12-25 13:48:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2023-12-25 13:48:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2023-12-25 13:48:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2023-12-25 13:48:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 13:48:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:48:55,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:48:55,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:48:55,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977352833] [2023-12-25 13:48:55,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977352833] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:48:55,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:48:55,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:48:55,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403519538] [2023-12-25 13:48:55,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:48:55,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:48:55,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:48:55,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:48:55,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:48:55,729 INFO L87 Difference]: Start difference. First operand 1515 states and 2415 transitions. Second operand has 4 states, 4 states have (on average 268.75) internal successors, (1075), 4 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:55,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:48:55,825 INFO L93 Difference]: Finished difference Result 2441 states and 3888 transitions. [2023-12-25 13:48:55,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:48:55,825 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 268.75) internal successors, (1075), 4 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1172 [2023-12-25 13:48:55,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:48:55,827 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:48:55,827 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:48:55,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:48:55,828 INFO L413 NwaCegarLoop]: 1738 mSDtfsCounter, 1074 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 3478 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:48:55,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1074 Valid, 3478 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:48:55,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:48:55,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:48:55,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.5900870730073677) internal successors, (2374), 1493 states have internal predecessors, (2374), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:48:55,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2414 transitions. [2023-12-25 13:48:55,843 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2414 transitions. Word has length 1172 [2023-12-25 13:48:55,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:48:55,844 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2414 transitions. [2023-12-25 13:48:55,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 268.75) internal successors, (1075), 4 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:48:55,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2414 transitions. [2023-12-25 13:48:55,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2023-12-25 13:48:55,853 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:48:55,853 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:48:55,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-12-25 13:48:55,854 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:48:55,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:48:55,854 INFO L85 PathProgramCache]: Analyzing trace with hash 726800436, now seen corresponding path program 1 times [2023-12-25 13:48:55,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:48:55,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636260053] [2023-12-25 13:48:55,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:48:55,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:49:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:49:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:49:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:49:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:49:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:49:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:49:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:49:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:49:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:49:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:49:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-12-25 13:49:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-12-25 13:49:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2023-12-25 13:49:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-25 13:49:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2023-12-25 13:49:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2023-12-25 13:49:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2023-12-25 13:49:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2023-12-25 13:49:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2023-12-25 13:49:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 13:49:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:01,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:49:01,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:49:01,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636260053] [2023-12-25 13:49:01,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636260053] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:49:01,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:49:01,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:49:01,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115836551] [2023-12-25 13:49:01,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:49:01,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:49:01,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:49:01,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:49:01,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:49:01,701 INFO L87 Difference]: Start difference. First operand 1515 states and 2414 transitions. Second operand has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:49:01,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:49:01,867 INFO L93 Difference]: Finished difference Result 2441 states and 3886 transitions. [2023-12-25 13:49:01,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:49:01,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1172 [2023-12-25 13:49:01,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:49:01,869 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:49:01,869 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:49:01,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:49:01,870 INFO L413 NwaCegarLoop]: 1708 mSDtfsCounter, 2812 mSDsluCounter, 1710 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2812 SdHoareTripleChecker+Valid, 3418 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:49:01,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2812 Valid, 3418 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:49:01,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:49:01,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:49:01,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.5894172806430007) internal successors, (2373), 1493 states have internal predecessors, (2373), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:49:01,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2413 transitions. [2023-12-25 13:49:01,888 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2413 transitions. Word has length 1172 [2023-12-25 13:49:01,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:49:01,888 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2413 transitions. [2023-12-25 13:49:01,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:49:01,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2413 transitions. [2023-12-25 13:49:01,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2023-12-25 13:49:01,898 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:49:01,898 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:49:01,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-12-25 13:49:01,899 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:49:01,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:49:01,899 INFO L85 PathProgramCache]: Analyzing trace with hash -126117262, now seen corresponding path program 1 times [2023-12-25 13:49:01,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:49:01,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045976092] [2023-12-25 13:49:01,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:49:01,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:49:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:49:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:49:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:49:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:49:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:49:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:49:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:49:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:49:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:49:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:49:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-12-25 13:49:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-12-25 13:49:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2023-12-25 13:49:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-25 13:49:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2023-12-25 13:49:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2023-12-25 13:49:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2023-12-25 13:49:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2023-12-25 13:49:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2023-12-25 13:49:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 13:49:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:07,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:49:07,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:49:07,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045976092] [2023-12-25 13:49:07,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045976092] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:49:07,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:49:07,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:49:07,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620750299] [2023-12-25 13:49:07,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:49:07,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:49:07,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:49:07,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:49:07,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:49:07,680 INFO L87 Difference]: Start difference. First operand 1515 states and 2413 transitions. Second operand has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:49:07,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:49:07,841 INFO L93 Difference]: Finished difference Result 2441 states and 3884 transitions. [2023-12-25 13:49:07,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:49:07,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1172 [2023-12-25 13:49:07,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:49:07,844 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:49:07,844 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:49:07,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:49:07,845 INFO L413 NwaCegarLoop]: 1708 mSDtfsCounter, 1513 mSDsluCounter, 1723 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 3431 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:49:07,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 3431 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:49:07,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:49:07,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:49:07,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.5887474882786337) internal successors, (2372), 1493 states have internal predecessors, (2372), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:49:07,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2412 transitions. [2023-12-25 13:49:07,862 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2412 transitions. Word has length 1172 [2023-12-25 13:49:07,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:49:07,862 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2412 transitions. [2023-12-25 13:49:07,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:49:07,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2412 transitions. [2023-12-25 13:49:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2023-12-25 13:49:07,872 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:49:07,872 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:49:07,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-12-25 13:49:07,872 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:49:07,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:49:07,873 INFO L85 PathProgramCache]: Analyzing trace with hash -367459852, now seen corresponding path program 1 times [2023-12-25 13:49:07,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:49:07,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904028555] [2023-12-25 13:49:07,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:49:07,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:49:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:49:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:49:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:49:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:49:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:49:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:49:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:49:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:49:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:49:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:49:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-12-25 13:49:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-12-25 13:49:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2023-12-25 13:49:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-25 13:49:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2023-12-25 13:49:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2023-12-25 13:49:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2023-12-25 13:49:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2023-12-25 13:49:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2023-12-25 13:49:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 13:49:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:13,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:49:13,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:49:13,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904028555] [2023-12-25 13:49:13,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904028555] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:49:13,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:49:13,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:49:13,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791161479] [2023-12-25 13:49:13,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:49:13,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:49:13,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:49:13,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:49:13,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:49:13,620 INFO L87 Difference]: Start difference. First operand 1515 states and 2412 transitions. Second operand has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:49:13,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:49:13,761 INFO L93 Difference]: Finished difference Result 2441 states and 3882 transitions. [2023-12-25 13:49:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:49:13,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1172 [2023-12-25 13:49:13,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:49:13,763 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:49:13,763 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:49:13,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:49:13,765 INFO L413 NwaCegarLoop]: 1708 mSDtfsCounter, 2794 mSDsluCounter, 1710 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2794 SdHoareTripleChecker+Valid, 3418 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:49:13,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2794 Valid, 3418 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:49:13,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:49:13,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:49:13,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.5880776959142666) internal successors, (2371), 1493 states have internal predecessors, (2371), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:49:13,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2411 transitions. [2023-12-25 13:49:13,825 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2411 transitions. Word has length 1172 [2023-12-25 13:49:13,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:49:13,825 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2411 transitions. [2023-12-25 13:49:13,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:49:13,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2411 transitions. [2023-12-25 13:49:13,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2023-12-25 13:49:13,834 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:49:13,835 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:49:13,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-12-25 13:49:13,835 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:49:13,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:49:13,835 INFO L85 PathProgramCache]: Analyzing trace with hash -203151182, now seen corresponding path program 1 times [2023-12-25 13:49:13,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:49:13,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398601027] [2023-12-25 13:49:13,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:49:13,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:49:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:49:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:49:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:49:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:49:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:49:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:49:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:49:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:49:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:49:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:49:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-12-25 13:49:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-12-25 13:49:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2023-12-25 13:49:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-25 13:49:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2023-12-25 13:49:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2023-12-25 13:49:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2023-12-25 13:49:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2023-12-25 13:49:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2023-12-25 13:49:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 13:49:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:20,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:49:20,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:49:20,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398601027] [2023-12-25 13:49:20,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398601027] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:49:20,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:49:20,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:49:20,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168653156] [2023-12-25 13:49:20,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:49:20,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:49:20,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:49:20,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:49:20,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:49:20,139 INFO L87 Difference]: Start difference. First operand 1515 states and 2411 transitions. Second operand has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:49:20,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:49:20,280 INFO L93 Difference]: Finished difference Result 2441 states and 3880 transitions. [2023-12-25 13:49:20,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:49:20,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1172 [2023-12-25 13:49:20,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:49:20,282 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:49:20,282 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:49:20,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:49:20,283 INFO L413 NwaCegarLoop]: 1708 mSDtfsCounter, 2707 mSDsluCounter, 1710 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2707 SdHoareTripleChecker+Valid, 3418 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:49:20,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2707 Valid, 3418 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:49:20,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:49:20,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:49:20,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.5874079035498996) internal successors, (2370), 1493 states have internal predecessors, (2370), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:49:20,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2410 transitions. [2023-12-25 13:49:20,311 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2410 transitions. Word has length 1172 [2023-12-25 13:49:20,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:49:20,311 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2410 transitions. [2023-12-25 13:49:20,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:49:20,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2410 transitions. [2023-12-25 13:49:20,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2023-12-25 13:49:20,321 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:49:20,321 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:49:20,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-12-25 13:49:20,321 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:49:20,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:49:20,322 INFO L85 PathProgramCache]: Analyzing trace with hash 2050856756, now seen corresponding path program 1 times [2023-12-25 13:49:20,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:49:20,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581350137] [2023-12-25 13:49:20,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:49:20,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:49:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:49:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:49:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:49:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:49:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:49:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:49:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:49:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:49:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:49:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:49:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-12-25 13:49:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-12-25 13:49:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2023-12-25 13:49:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-25 13:49:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2023-12-25 13:49:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2023-12-25 13:49:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2023-12-25 13:49:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2023-12-25 13:49:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2023-12-25 13:49:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 13:49:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:26,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:49:26,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:49:26,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581350137] [2023-12-25 13:49:26,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581350137] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:49:26,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:49:26,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:49:26,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682268696] [2023-12-25 13:49:26,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:49:26,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:49:26,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:49:26,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:49:26,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:49:26,198 INFO L87 Difference]: Start difference. First operand 1515 states and 2410 transitions. Second operand has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:49:26,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:49:26,355 INFO L93 Difference]: Finished difference Result 2441 states and 3878 transitions. [2023-12-25 13:49:26,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:49:26,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1172 [2023-12-25 13:49:26,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:49:26,357 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:49:26,357 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:49:26,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:49:26,360 INFO L413 NwaCegarLoop]: 1708 mSDtfsCounter, 1510 mSDsluCounter, 1723 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 3431 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:49:26,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1510 Valid, 3431 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:49:26,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:49:26,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:49:26,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.5867381111855325) internal successors, (2369), 1493 states have internal predecessors, (2369), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:49:26,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2409 transitions. [2023-12-25 13:49:26,399 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2409 transitions. Word has length 1172 [2023-12-25 13:49:26,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:49:26,399 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2409 transitions. [2023-12-25 13:49:26,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:49:26,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2409 transitions. [2023-12-25 13:49:26,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2023-12-25 13:49:26,408 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:49:26,409 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:49:26,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-12-25 13:49:26,409 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:49:26,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:49:26,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2118740238, now seen corresponding path program 1 times [2023-12-25 13:49:26,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:49:26,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258999763] [2023-12-25 13:49:26,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:49:26,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:49:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:49:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:49:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:49:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:49:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:49:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:49:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:49:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:49:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:49:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:49:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-12-25 13:49:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-12-25 13:49:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2023-12-25 13:49:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-25 13:49:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2023-12-25 13:49:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2023-12-25 13:49:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2023-12-25 13:49:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2023-12-25 13:49:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2023-12-25 13:49:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 13:49:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:49:32,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:49:32,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258999763] [2023-12-25 13:49:32,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258999763] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:49:32,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:49:32,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:49:32,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18551601] [2023-12-25 13:49:32,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:49:32,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:49:32,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:49:32,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:49:32,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:49:32,125 INFO L87 Difference]: Start difference. First operand 1515 states and 2409 transitions. Second operand has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:49:32,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:49:32,281 INFO L93 Difference]: Finished difference Result 2441 states and 3876 transitions. [2023-12-25 13:49:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:49:32,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1172 [2023-12-25 13:49:32,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:49:32,283 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:49:32,283 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:49:32,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:49:32,284 INFO L413 NwaCegarLoop]: 1708 mSDtfsCounter, 1509 mSDsluCounter, 1723 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 3431 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:49:32,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 3431 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:49:32,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:49:32,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:49:32,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.5860683188211655) internal successors, (2368), 1493 states have internal predecessors, (2368), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:49:32,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2408 transitions. [2023-12-25 13:49:32,300 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2408 transitions. Word has length 1172 [2023-12-25 13:49:32,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:49:32,300 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2408 transitions. [2023-12-25 13:49:32,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:49:32,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2408 transitions. [2023-12-25 13:49:32,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2023-12-25 13:49:32,309 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:49:32,326 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:49:32,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-12-25 13:49:32,326 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:49:32,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:49:32,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1517375244, now seen corresponding path program 1 times [2023-12-25 13:49:32,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:49:32,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051153009] [2023-12-25 13:49:32,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:49:32,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:49:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:49:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:49:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:49:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:49:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:49:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:49:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:49:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:49:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:49:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:49:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-12-25 13:49:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-12-25 13:49:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2023-12-25 13:49:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-25 13:49:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2023-12-25 13:49:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2023-12-25 13:49:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2023-12-25 13:49:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2023-12-25 13:49:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2023-12-25 13:49:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 13:49:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:49:38,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:49:38,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051153009] [2023-12-25 13:49:38,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051153009] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:49:38,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:49:38,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:49:38,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699930729] [2023-12-25 13:49:38,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:49:38,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:49:38,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:49:38,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:49:38,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:49:38,594 INFO L87 Difference]: Start difference. First operand 1515 states and 2408 transitions. Second operand has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:49:38,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:49:38,743 INFO L93 Difference]: Finished difference Result 2441 states and 3874 transitions. [2023-12-25 13:49:38,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:49:38,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1172 [2023-12-25 13:49:38,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:49:38,745 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:49:38,745 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:49:38,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:49:38,768 INFO L413 NwaCegarLoop]: 1708 mSDtfsCounter, 1508 mSDsluCounter, 1723 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 3431 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:49:38,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1508 Valid, 3431 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:49:38,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:49:38,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:49:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.5853985264567985) internal successors, (2367), 1493 states have internal predecessors, (2367), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:49:38,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2407 transitions. [2023-12-25 13:49:38,788 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2407 transitions. Word has length 1172 [2023-12-25 13:49:38,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:49:38,788 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2407 transitions. [2023-12-25 13:49:38,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:49:38,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2407 transitions. [2023-12-25 13:49:38,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2023-12-25 13:49:38,797 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:49:38,798 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:49:38,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-12-25 13:49:38,798 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:49:38,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:49:38,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1225591218, now seen corresponding path program 1 times [2023-12-25 13:49:38,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:49:38,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966211626] [2023-12-25 13:49:38,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:49:38,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:49:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:49:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:49:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:49:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:49:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:49:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:49:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:49:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:49:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:49:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:49:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-12-25 13:49:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-12-25 13:49:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2023-12-25 13:49:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-25 13:49:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2023-12-25 13:49:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2023-12-25 13:49:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2023-12-25 13:49:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2023-12-25 13:49:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2023-12-25 13:49:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 13:49:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:49:44,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:49:44,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966211626] [2023-12-25 13:49:44,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966211626] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:49:44,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:49:44,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:49:44,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944649641] [2023-12-25 13:49:44,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:49:44,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:49:44,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:49:44,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:49:44,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:49:44,891 INFO L87 Difference]: Start difference. First operand 1515 states and 2407 transitions. Second operand has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:49:45,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:49:45,044 INFO L93 Difference]: Finished difference Result 2441 states and 3872 transitions. [2023-12-25 13:49:45,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:49:45,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1172 [2023-12-25 13:49:45,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:49:45,046 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:49:45,047 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:49:45,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:49:45,048 INFO L413 NwaCegarLoop]: 1708 mSDtfsCounter, 1507 mSDsluCounter, 1723 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 3431 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:49:45,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1507 Valid, 3431 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:49:45,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:49:45,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:49:45,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.5847287340924314) internal successors, (2366), 1493 states have internal predecessors, (2366), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:49:45,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2406 transitions. [2023-12-25 13:49:45,064 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2406 transitions. Word has length 1172 [2023-12-25 13:49:45,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:49:45,064 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2406 transitions. [2023-12-25 13:49:45,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:49:45,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2406 transitions. [2023-12-25 13:49:45,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2023-12-25 13:49:45,075 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:49:45,075 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:49:45,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-12-25 13:49:45,076 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:49:45,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:49:45,076 INFO L85 PathProgramCache]: Analyzing trace with hash 994175668, now seen corresponding path program 1 times [2023-12-25 13:49:45,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:49:45,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206213727] [2023-12-25 13:49:45,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:49:45,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:49:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:49:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:49:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:49:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:49:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:49:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:49:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:49:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:49:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:49:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:49:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-12-25 13:49:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-12-25 13:49:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2023-12-25 13:49:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-25 13:49:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2023-12-25 13:49:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2023-12-25 13:49:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2023-12-25 13:49:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2023-12-25 13:49:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2023-12-25 13:49:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 13:49:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:49:50,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:49:50,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:49:50,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206213727] [2023-12-25 13:49:50,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206213727] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:49:50,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:49:50,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:49:50,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396851415] [2023-12-25 13:49:50,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:49:50,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:49:50,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:49:50,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:49:50,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:49:50,844 INFO L87 Difference]: Start difference. First operand 1515 states and 2406 transitions. Second operand has 4 states, 4 states have (on average 268.75) internal successors, (1075), 4 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:49:50,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:49:50,967 INFO L93 Difference]: Finished difference Result 2441 states and 3870 transitions. [2023-12-25 13:49:50,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:49:50,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 268.75) internal successors, (1075), 4 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1172 [2023-12-25 13:49:50,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:49:50,969 INFO L225 Difference]: With dead ends: 2441 [2023-12-25 13:49:50,969 INFO L226 Difference]: Without dead ends: 1515 [2023-12-25 13:49:50,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:49:50,970 INFO L413 NwaCegarLoop]: 1708 mSDtfsCounter, 1079 mSDsluCounter, 1710 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 3418 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:49:50,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 3418 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:49:50,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2023-12-25 13:49:50,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2023-12-25 13:49:50,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1493 states have (on average 1.5840589417280644) internal successors, (2365), 1493 states have internal predecessors, (2365), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:49:51,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2405 transitions. [2023-12-25 13:49:51,001 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2405 transitions. Word has length 1172 [2023-12-25 13:49:51,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:49:51,002 INFO L495 AbstractCegarLoop]: Abstraction has 1515 states and 2405 transitions. [2023-12-25 13:49:51,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 268.75) internal successors, (1075), 4 states have internal predecessors, (1075), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:49:51,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2405 transitions. [2023-12-25 13:49:51,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2023-12-25 13:49:51,011 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:49:51,011 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:49:51,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-12-25 13:49:51,011 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:49:51,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:49:51,012 INFO L85 PathProgramCache]: Analyzing trace with hash -607959054, now seen corresponding path program 1 times [2023-12-25 13:49:51,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:49:51,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750825604] [2023-12-25 13:49:51,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:49:51,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:50:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:50:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:50:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:50:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:50:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:50:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:50:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:50:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:50:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:50:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:50:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-12-25 13:50:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-12-25 13:50:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2023-12-25 13:50:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-25 13:50:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2023-12-25 13:50:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2023-12-25 13:50:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2023-12-25 13:50:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2023-12-25 13:50:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2023-12-25 13:50:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 13:50:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:06,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2023-12-25 13:50:06,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:50:06,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750825604] [2023-12-25 13:50:06,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750825604] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:50:06,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:50:06,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:50:06,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169500026] [2023-12-25 13:50:06,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:50:06,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:50:06,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:50:06,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:50:06,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:50:06,206 INFO L87 Difference]: Start difference. First operand 1515 states and 2405 transitions. Second operand has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-25 13:50:06,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:50:06,914 INFO L93 Difference]: Finished difference Result 2529 states and 4002 transitions. [2023-12-25 13:50:06,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 13:50:06,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 1172 [2023-12-25 13:50:06,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:50:06,916 INFO L225 Difference]: With dead ends: 2529 [2023-12-25 13:50:06,916 INFO L226 Difference]: Without dead ends: 1523 [2023-12-25 13:50:06,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:50:06,917 INFO L413 NwaCegarLoop]: 1353 mSDtfsCounter, 1576 mSDsluCounter, 2681 mSDsCounter, 0 mSdLazyCounter, 1314 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1579 SdHoareTripleChecker+Valid, 4034 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:50:06,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1579 Valid, 4034 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1314 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:50:06,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2023-12-25 13:50:06,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1519. [2023-12-25 13:50:06,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 1497 states have (on average 1.58249832999332) internal successors, (2369), 1497 states have internal predecessors, (2369), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:50:06,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2409 transitions. [2023-12-25 13:50:06,934 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2409 transitions. Word has length 1172 [2023-12-25 13:50:06,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:50:06,934 INFO L495 AbstractCegarLoop]: Abstraction has 1519 states and 2409 transitions. [2023-12-25 13:50:06,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-25 13:50:06,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2409 transitions. [2023-12-25 13:50:06,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1175 [2023-12-25 13:50:06,943 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:50:06,944 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:50:06,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-12-25 13:50:06,944 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:50:06,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:50:06,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1208012296, now seen corresponding path program 1 times [2023-12-25 13:50:06,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:50:06,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282478620] [2023-12-25 13:50:06,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:50:06,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:50:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:50:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:50:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:50:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:50:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:50:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:50:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 13:50:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:50:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 13:50:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 13:50:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 847 [2023-12-25 13:50:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 861 [2023-12-25 13:50:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-25 13:50:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 894 [2023-12-25 13:50:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 913 [2023-12-25 13:50:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2023-12-25 13:50:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 939 [2023-12-25 13:50:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 951 [2023-12-25 13:50:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 963 [2023-12-25 13:50:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2023-12-25 13:50:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:17,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 977 trivial. 0 not checked. [2023-12-25 13:50:17,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:50:17,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282478620] [2023-12-25 13:50:17,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282478620] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:50:17,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:50:17,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:50:17,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34429133] [2023-12-25 13:50:17,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:50:17,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:50:17,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:50:17,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:50:17,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:50:17,947 INFO L87 Difference]: Start difference. First operand 1519 states and 2409 transitions. Second operand has 7 states, 7 states have (on average 123.85714285714286) internal successors, (867), 7 states have internal predecessors, (867), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-25 13:50:18,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:50:18,880 INFO L93 Difference]: Finished difference Result 2742 states and 4328 transitions. [2023-12-25 13:50:18,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:50:18,880 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 123.85714285714286) internal successors, (867), 7 states have internal predecessors, (867), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 1174 [2023-12-25 13:50:18,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:50:18,882 INFO L225 Difference]: With dead ends: 2742 [2023-12-25 13:50:18,882 INFO L226 Difference]: Without dead ends: 1527 [2023-12-25 13:50:18,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:50:18,883 INFO L413 NwaCegarLoop]: 1435 mSDtfsCounter, 4728 mSDsluCounter, 3281 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4731 SdHoareTripleChecker+Valid, 4716 SdHoareTripleChecker+Invalid, 1694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 13:50:18,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4731 Valid, 4716 Invalid, 1694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 13:50:18,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2023-12-25 13:50:18,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1523. [2023-12-25 13:50:18,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1501 states have (on average 1.5796135909393738) internal successors, (2371), 1501 states have internal predecessors, (2371), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-25 13:50:18,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 2411 transitions. [2023-12-25 13:50:18,902 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 2411 transitions. Word has length 1174 [2023-12-25 13:50:18,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:50:18,902 INFO L495 AbstractCegarLoop]: Abstraction has 1523 states and 2411 transitions. [2023-12-25 13:50:18,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 123.85714285714286) internal successors, (867), 7 states have internal predecessors, (867), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-25 13:50:18,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2411 transitions. [2023-12-25 13:50:18,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1177 [2023-12-25 13:50:18,920 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:50:18,921 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:50:18,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2023-12-25 13:50:18,921 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:50:18,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:50:18,921 INFO L85 PathProgramCache]: Analyzing trace with hash 666656058, now seen corresponding path program 1 times [2023-12-25 13:50:18,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:50:18,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039826772] [2023-12-25 13:50:18,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:50:18,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:50:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:50:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:50:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:50:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:50:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:50:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:50:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-12-25 13:50:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 13:50:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-12-25 13:50:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2023-12-25 13:50:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 848 [2023-12-25 13:50:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2023-12-25 13:50:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2023-12-25 13:50:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 895 [2023-12-25 13:50:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2023-12-25 13:50:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 930 [2023-12-25 13:50:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2023-12-25 13:50:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 953 [2023-12-25 13:50:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 965 [2023-12-25 13:50:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 977 [2023-12-25 13:50:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:31,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:50:31,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:50:31,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039826772] [2023-12-25 13:50:31,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039826772] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:50:31,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:50:31,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 13:50:31,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417541148] [2023-12-25 13:50:31,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:50:31,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 13:50:31,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:50:31,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 13:50:31,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:50:31,341 INFO L87 Difference]: Start difference. First operand 1523 states and 2411 transitions. Second operand has 6 states, 6 states have (on average 179.83333333333334) internal successors, (1079), 6 states have internal predecessors, (1079), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-25 13:50:31,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:50:31,957 INFO L93 Difference]: Finished difference Result 3490 states and 5520 transitions. [2023-12-25 13:50:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:50:31,957 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 179.83333333333334) internal successors, (1079), 6 states have internal predecessors, (1079), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 1176 [2023-12-25 13:50:31,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:50:31,960 INFO L225 Difference]: With dead ends: 3490 [2023-12-25 13:50:31,960 INFO L226 Difference]: Without dead ends: 2560 [2023-12-25 13:50:31,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:50:31,962 INFO L413 NwaCegarLoop]: 1479 mSDtfsCounter, 1805 mSDsluCounter, 4796 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1808 SdHoareTripleChecker+Valid, 6275 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:50:31,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1808 Valid, 6275 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1340 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:50:31,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-25 13:50:31,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 2380. [2023-12-25 13:50:31,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2380 states, 2348 states have (on average 1.5753833049403747) internal successors, (3699), 2348 states have internal predecessors, (3699), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-25 13:50:31,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 2380 states and 3759 transitions. [2023-12-25 13:50:31,993 INFO L78 Accepts]: Start accepts. Automaton has 2380 states and 3759 transitions. Word has length 1176 [2023-12-25 13:50:31,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:50:31,994 INFO L495 AbstractCegarLoop]: Abstraction has 2380 states and 3759 transitions. [2023-12-25 13:50:31,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 179.83333333333334) internal successors, (1079), 6 states have internal predecessors, (1079), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-25 13:50:31,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2380 states and 3759 transitions. [2023-12-25 13:50:32,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1178 [2023-12-25 13:50:32,007 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:50:32,009 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:50:32,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-12-25 13:50:32,009 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:50:32,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:50:32,010 INFO L85 PathProgramCache]: Analyzing trace with hash 927647688, now seen corresponding path program 1 times [2023-12-25 13:50:32,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:50:32,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038099754] [2023-12-25 13:50:32,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:50:32,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:50:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:50:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:50:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:50:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:50:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:50:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:50:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-12-25 13:50:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 13:50:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-12-25 13:50:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2023-12-25 13:50:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 849 [2023-12-25 13:50:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-25 13:50:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 877 [2023-12-25 13:50:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 896 [2023-12-25 13:50:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 915 [2023-12-25 13:50:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 931 [2023-12-25 13:50:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 942 [2023-12-25 13:50:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 954 [2023-12-25 13:50:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 966 [2023-12-25 13:50:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 978 [2023-12-25 13:50:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:50:46,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:50:46,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:50:46,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038099754] [2023-12-25 13:50:46,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038099754] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:50:46,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:50:46,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 13:50:46,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890187630] [2023-12-25 13:50:46,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:50:46,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 13:50:46,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:50:46,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 13:50:46,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:50:46,490 INFO L87 Difference]: Start difference. First operand 2380 states and 3759 transitions. Second operand has 6 states, 6 states have (on average 180.0) internal successors, (1080), 6 states have internal predecessors, (1080), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:50:47,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:50:47,521 INFO L93 Difference]: Finished difference Result 3411 states and 5393 transitions. [2023-12-25 13:50:47,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:50:47,521 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 180.0) internal successors, (1080), 6 states have internal predecessors, (1080), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1177 [2023-12-25 13:50:47,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:50:47,524 INFO L225 Difference]: With dead ends: 3411 [2023-12-25 13:50:47,524 INFO L226 Difference]: Without dead ends: 2481 [2023-12-25 13:50:47,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:50:47,536 INFO L413 NwaCegarLoop]: 1346 mSDtfsCounter, 3406 mSDsluCounter, 4005 mSDsCounter, 0 mSdLazyCounter, 1776 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3416 SdHoareTripleChecker+Valid, 5351 SdHoareTripleChecker+Invalid, 1776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-25 13:50:47,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3416 Valid, 5351 Invalid, 1776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1776 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-25 13:50:47,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2481 states. [2023-12-25 13:50:47,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2481 to 2381. [2023-12-25 13:50:47,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 2349 states have (on average 1.575138356747552) internal successors, (3700), 2349 states have internal predecessors, (3700), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-25 13:50:47,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 3760 transitions. [2023-12-25 13:50:47,583 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 3760 transitions. Word has length 1177 [2023-12-25 13:50:47,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:50:47,583 INFO L495 AbstractCegarLoop]: Abstraction has 2381 states and 3760 transitions. [2023-12-25 13:50:47,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 180.0) internal successors, (1080), 6 states have internal predecessors, (1080), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:50:47,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 3760 transitions. [2023-12-25 13:50:47,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1178 [2023-12-25 13:50:47,593 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:50:47,593 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:50:47,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2023-12-25 13:50:47,593 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:50:47,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:50:47,594 INFO L85 PathProgramCache]: Analyzing trace with hash -247135798, now seen corresponding path program 1 times [2023-12-25 13:50:47,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:50:47,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725031642] [2023-12-25 13:50:47,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:50:47,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:50:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:51:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:51:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:51:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:51:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:51:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:51:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-12-25 13:51:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 13:51:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-12-25 13:51:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2023-12-25 13:51:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 849 [2023-12-25 13:51:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-25 13:51:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 877 [2023-12-25 13:51:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 896 [2023-12-25 13:51:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 915 [2023-12-25 13:51:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 931 [2023-12-25 13:51:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 942 [2023-12-25 13:51:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 954 [2023-12-25 13:51:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 966 [2023-12-25 13:51:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 978 [2023-12-25 13:51:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:00,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 971 trivial. 0 not checked. [2023-12-25 13:51:00,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:51:00,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725031642] [2023-12-25 13:51:00,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725031642] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:51:00,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:51:00,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 13:51:00,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875048026] [2023-12-25 13:51:00,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:51:00,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 13:51:00,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:51:00,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 13:51:00,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:51:00,181 INFO L87 Difference]: Start difference. First operand 2381 states and 3760 transitions. Second operand has 8 states, 8 states have (on average 109.375) internal successors, (875), 8 states have internal predecessors, (875), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-25 13:51:00,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:51:00,708 INFO L93 Difference]: Finished difference Result 8404 states and 13198 transitions. [2023-12-25 13:51:00,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 13:51:00,709 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 109.375) internal successors, (875), 8 states have internal predecessors, (875), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 1177 [2023-12-25 13:51:00,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:51:00,719 INFO L225 Difference]: With dead ends: 8404 [2023-12-25 13:51:00,719 INFO L226 Difference]: Without dead ends: 6495 [2023-12-25 13:51:00,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2023-12-25 13:51:00,722 INFO L413 NwaCegarLoop]: 4603 mSDtfsCounter, 6102 mSDsluCounter, 15945 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6113 SdHoareTripleChecker+Valid, 20548 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:51:00,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6113 Valid, 20548 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:51:00,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6495 states. [2023-12-25 13:51:00,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6495 to 2570. [2023-12-25 13:51:00,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2570 states, 2526 states have (on average 1.571654790182106) internal successors, (3970), 2526 states have internal predecessors, (3970), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-25 13:51:00,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2570 states and 4054 transitions. [2023-12-25 13:51:00,781 INFO L78 Accepts]: Start accepts. Automaton has 2570 states and 4054 transitions. Word has length 1177 [2023-12-25 13:51:00,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:51:00,781 INFO L495 AbstractCegarLoop]: Abstraction has 2570 states and 4054 transitions. [2023-12-25 13:51:00,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 109.375) internal successors, (875), 8 states have internal predecessors, (875), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-25 13:51:00,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 4054 transitions. [2023-12-25 13:51:00,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1180 [2023-12-25 13:51:00,791 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:51:00,791 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:51:00,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-12-25 13:51:00,792 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:51:00,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:51:00,792 INFO L85 PathProgramCache]: Analyzing trace with hash -2005517272, now seen corresponding path program 1 times [2023-12-25 13:51:00,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:51:00,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669853428] [2023-12-25 13:51:00,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:51:00,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:51:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:51:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:51:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:51:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-12-25 13:51:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-12-25 13:51:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:51:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-12-25 13:51:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:51:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:51:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-12-25 13:51:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 850 [2023-12-25 13:51:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 864 [2023-12-25 13:51:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 878 [2023-12-25 13:51:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2023-12-25 13:51:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2023-12-25 13:51:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 933 [2023-12-25 13:51:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2023-12-25 13:51:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 956 [2023-12-25 13:51:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2023-12-25 13:51:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2023-12-25 13:51:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 1017 trivial. 0 not checked. [2023-12-25 13:51:03,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:51:03,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669853428] [2023-12-25 13:51:03,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669853428] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:51:03,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:51:03,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:51:03,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182353493] [2023-12-25 13:51:03,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:51:03,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:51:03,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:51:03,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:51:03,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:51:03,304 INFO L87 Difference]: Start difference. First operand 2570 states and 4054 transitions. Second operand has 5 states, 5 states have (on average 167.0) internal successors, (835), 5 states have internal predecessors, (835), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:51:03,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:51:03,928 INFO L93 Difference]: Finished difference Result 4675 states and 7350 transitions. [2023-12-25 13:51:03,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 13:51:03,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 167.0) internal successors, (835), 5 states have internal predecessors, (835), 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 1179 [2023-12-25 13:51:03,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:51:03,934 INFO L225 Difference]: With dead ends: 4675 [2023-12-25 13:51:03,934 INFO L226 Difference]: Without dead ends: 2579 [2023-12-25 13:51:03,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:51:03,935 INFO L413 NwaCegarLoop]: 1352 mSDtfsCounter, 1757 mSDsluCounter, 2653 mSDsCounter, 0 mSdLazyCounter, 1327 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1767 SdHoareTripleChecker+Valid, 4005 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:51:03,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1767 Valid, 4005 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1327 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:51:03,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2023-12-25 13:51:04,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 2576. [2023-12-25 13:51:04,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2576 states, 2532 states have (on average 1.570300157977883) internal successors, (3976), 2532 states have internal predecessors, (3976), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-25 13:51:04,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2576 states to 2576 states and 4060 transitions. [2023-12-25 13:51:04,018 INFO L78 Accepts]: Start accepts. Automaton has 2576 states and 4060 transitions. Word has length 1179 [2023-12-25 13:51:04,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:51:04,018 INFO L495 AbstractCegarLoop]: Abstraction has 2576 states and 4060 transitions. [2023-12-25 13:51:04,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 167.0) internal successors, (835), 5 states have internal predecessors, (835), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:51:04,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2576 states and 4060 transitions. [2023-12-25 13:51:04,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1180 [2023-12-25 13:51:04,028 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:51:04,029 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:51:04,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2023-12-25 13:51:04,029 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:51:04,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:51:04,029 INFO L85 PathProgramCache]: Analyzing trace with hash 2135218080, now seen corresponding path program 1 times [2023-12-25 13:51:04,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:51:04,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166508840] [2023-12-25 13:51:04,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:51:04,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:51:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:51:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:51:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:51:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:51:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:51:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:51:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-12-25 13:51:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:51:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:51:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-12-25 13:51:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 850 [2023-12-25 13:51:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 864 [2023-12-25 13:51:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 878 [2023-12-25 13:51:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 897 [2023-12-25 13:51:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2023-12-25 13:51:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2023-12-25 13:51:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2023-12-25 13:51:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 956 [2023-12-25 13:51:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2023-12-25 13:51:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2023-12-25 13:51:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:06,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2023-12-25 13:51:06,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:51:06,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166508840] [2023-12-25 13:51:06,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166508840] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:51:06,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:51:06,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 13:51:06,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920052631] [2023-12-25 13:51:06,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:51:06,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 13:51:06,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:51:06,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 13:51:06,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:51:06,253 INFO L87 Difference]: Start difference. First operand 2576 states and 4060 transitions. Second operand has 6 states, 6 states have (on average 146.5) internal successors, (879), 6 states have internal predecessors, (879), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-25 13:51:07,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:51:07,807 INFO L93 Difference]: Finished difference Result 6511 states and 10216 transitions. [2023-12-25 13:51:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:51:07,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 146.5) internal successors, (879), 6 states have internal predecessors, (879), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 1179 [2023-12-25 13:51:07,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:51:07,813 INFO L225 Difference]: With dead ends: 6511 [2023-12-25 13:51:07,813 INFO L226 Difference]: Without dead ends: 4549 [2023-12-25 13:51:07,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:51:07,816 INFO L413 NwaCegarLoop]: 2370 mSDtfsCounter, 3145 mSDsluCounter, 6065 mSDsCounter, 0 mSdLazyCounter, 3017 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3161 SdHoareTripleChecker+Valid, 8435 SdHoareTripleChecker+Invalid, 3018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-25 13:51:07,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3161 Valid, 8435 Invalid, 3018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3017 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-25 13:51:07,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4549 states. [2023-12-25 13:51:07,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4549 to 2582. [2023-12-25 13:51:07,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2582 states, 2538 states have (on average 1.5689519306540582) internal successors, (3982), 2538 states have internal predecessors, (3982), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-25 13:51:07,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2582 states and 4066 transitions. [2023-12-25 13:51:07,863 INFO L78 Accepts]: Start accepts. Automaton has 2582 states and 4066 transitions. Word has length 1179 [2023-12-25 13:51:07,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:51:07,864 INFO L495 AbstractCegarLoop]: Abstraction has 2582 states and 4066 transitions. [2023-12-25 13:51:07,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 146.5) internal successors, (879), 6 states have internal predecessors, (879), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-25 13:51:07,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 4066 transitions. [2023-12-25 13:51:07,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1180 [2023-12-25 13:51:07,874 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:51:07,874 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:51:07,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2023-12-25 13:51:07,875 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:51:07,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:51:07,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1232072228, now seen corresponding path program 1 times [2023-12-25 13:51:07,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:51:07,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795682531] [2023-12-25 13:51:07,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:51:07,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:51:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:51:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 13:51:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 13:51:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 13:51:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-25 13:51:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:51:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-12-25 13:51:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:51:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:51:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-12-25 13:51:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 850 [2023-12-25 13:51:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 864 [2023-12-25 13:51:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 878 [2023-12-25 13:51:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 897 [2023-12-25 13:51:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2023-12-25 13:51:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2023-12-25 13:51:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2023-12-25 13:51:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 956 [2023-12-25 13:51:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2023-12-25 13:51:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2023-12-25 13:51:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:27,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2023-12-25 13:51:27,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:51:27,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795682531] [2023-12-25 13:51:27,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795682531] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:51:27,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:51:27,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:51:27,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787568532] [2023-12-25 13:51:27,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:51:27,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:51:27,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:51:27,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:51:27,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:51:27,171 INFO L87 Difference]: Start difference. First operand 2582 states and 4066 transitions. Second operand has 7 states, 7 states have (on average 118.42857142857143) internal successors, (829), 7 states have internal predecessors, (829), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:51:27,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:51:27,785 INFO L93 Difference]: Finished difference Result 4930 states and 7734 transitions. [2023-12-25 13:51:27,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 13:51:27,786 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 118.42857142857143) internal successors, (829), 7 states have internal predecessors, (829), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 1179 [2023-12-25 13:51:27,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:51:27,789 INFO L225 Difference]: With dead ends: 4930 [2023-12-25 13:51:27,789 INFO L226 Difference]: Without dead ends: 2594 [2023-12-25 13:51:27,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-12-25 13:51:27,791 INFO L413 NwaCegarLoop]: 1792 mSDtfsCounter, 3097 mSDsluCounter, 5330 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3097 SdHoareTripleChecker+Valid, 7122 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 13:51:27,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3097 Valid, 7122 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 13:51:27,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2594 states. [2023-12-25 13:51:27,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2594 to 2588. [2023-12-25 13:51:27,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2588 states, 2544 states have (on average 1.566430817610063) internal successors, (3985), 2544 states have internal predecessors, (3985), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-25 13:51:27,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 2588 states and 4069 transitions. [2023-12-25 13:51:27,834 INFO L78 Accepts]: Start accepts. Automaton has 2588 states and 4069 transitions. Word has length 1179 [2023-12-25 13:51:27,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:51:27,834 INFO L495 AbstractCegarLoop]: Abstraction has 2588 states and 4069 transitions. [2023-12-25 13:51:27,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 118.42857142857143) internal successors, (829), 7 states have internal predecessors, (829), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:51:27,835 INFO L276 IsEmpty]: Start isEmpty. Operand 2588 states and 4069 transitions. [2023-12-25 13:51:27,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1182 [2023-12-25 13:51:27,844 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:51:27,845 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:51:27,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2023-12-25 13:51:27,845 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:51:27,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:51:27,845 INFO L85 PathProgramCache]: Analyzing trace with hash -898691062, now seen corresponding path program 1 times [2023-12-25 13:51:27,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:51:27,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898345089] [2023-12-25 13:51:27,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:51:27,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:51:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:51:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 13:51:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 13:51:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-12-25 13:51:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-12-25 13:51:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:51:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-12-25 13:51:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-12-25 13:51:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 13:51:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-12-25 13:51:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-25 13:51:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 866 [2023-12-25 13:51:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2023-12-25 13:51:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2023-12-25 13:51:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 918 [2023-12-25 13:51:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2023-12-25 13:51:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 945 [2023-12-25 13:51:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 958 [2023-12-25 13:51:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2023-12-25 13:51:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 982 [2023-12-25 13:51:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:51:48,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 997 trivial. 0 not checked. [2023-12-25 13:51:48,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:51:48,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898345089] [2023-12-25 13:51:48,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898345089] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:51:48,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:51:48,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-25 13:51:48,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678432005] [2023-12-25 13:51:48,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:51:48,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-25 13:51:48,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:51:48,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-25 13:51:48,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:51:48,465 INFO L87 Difference]: Start difference. First operand 2588 states and 4069 transitions. Second operand has 10 states, 10 states have (on average 85.6) internal successors, (856), 10 states have internal predecessors, (856), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-25 13:51:50,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:51:50,865 INFO L93 Difference]: Finished difference Result 9046 states and 14150 transitions. [2023-12-25 13:51:50,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 13:51:50,865 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 85.6) internal successors, (856), 10 states have internal predecessors, (856), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 1181 [2023-12-25 13:51:50,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:51:50,872 INFO L225 Difference]: With dead ends: 9046 [2023-12-25 13:51:50,872 INFO L226 Difference]: Without dead ends: 6908 [2023-12-25 13:51:50,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2023-12-25 13:51:50,874 INFO L413 NwaCegarLoop]: 1526 mSDtfsCounter, 11314 mSDsluCounter, 9158 mSDsCounter, 0 mSdLazyCounter, 3851 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11325 SdHoareTripleChecker+Valid, 10684 SdHoareTripleChecker+Invalid, 3901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 3851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:51:50,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11325 Valid, 10684 Invalid, 3901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 3851 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-25 13:51:50,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6908 states. [2023-12-25 13:51:50,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6908 to 2636. [2023-12-25 13:51:50,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2636 states, 2592 states have (on average 1.5628858024691359) internal successors, (4051), 2592 states have internal predecessors, (4051), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-25 13:51:50,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 4135 transitions. [2023-12-25 13:51:50,937 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 4135 transitions. Word has length 1181 [2023-12-25 13:51:50,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:51:50,938 INFO L495 AbstractCegarLoop]: Abstraction has 2636 states and 4135 transitions. [2023-12-25 13:51:50,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 85.6) internal successors, (856), 10 states have internal predecessors, (856), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-25 13:51:50,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 4135 transitions. [2023-12-25 13:51:50,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1184 [2023-12-25 13:51:50,972 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:51:50,972 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:51:50,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2023-12-25 13:51:50,972 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:51:50,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:51:50,973 INFO L85 PathProgramCache]: Analyzing trace with hash -85467568, now seen corresponding path program 1 times [2023-12-25 13:51:50,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:51:50,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031593719] [2023-12-25 13:51:50,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:51:50,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:52:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 13:52:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 13:52:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-12-25 13:52:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-12-25 13:52:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-12-25 13:52:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-25 13:52:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-12-25 13:52:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-12-25 13:52:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 852 [2023-12-25 13:52:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 867 [2023-12-25 13:52:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-25 13:52:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 900 [2023-12-25 13:52:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 920 [2023-12-25 13:52:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2023-12-25 13:52:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2023-12-25 13:52:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2023-12-25 13:52:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 972 [2023-12-25 13:52:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 984 [2023-12-25 13:52:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:06,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 978 trivial. 0 not checked. [2023-12-25 13:52:06,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:06,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031593719] [2023-12-25 13:52:06,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031593719] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:06,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:06,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 13:52:06,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334746854] [2023-12-25 13:52:06,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:06,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 13:52:06,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:06,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 13:52:06,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:52:06,022 INFO L87 Difference]: Start difference. First operand 2636 states and 4135 transitions. Second operand has 6 states, 6 states have (on average 145.83333333333334) internal successors, (875), 6 states have internal predecessors, (875), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-25 13:52:06,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:06,953 INFO L93 Difference]: Finished difference Result 4670 states and 7304 transitions. [2023-12-25 13:52:06,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:52:06,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 145.83333333333334) internal successors, (875), 6 states have internal predecessors, (875), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 1183 [2023-12-25 13:52:06,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:06,956 INFO L225 Difference]: With dead ends: 4670 [2023-12-25 13:52:06,956 INFO L226 Difference]: Without dead ends: 2648 [2023-12-25 13:52:06,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-12-25 13:52:06,958 INFO L413 NwaCegarLoop]: 1433 mSDtfsCounter, 2995 mSDsluCounter, 3276 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2995 SdHoareTripleChecker+Valid, 4709 SdHoareTripleChecker+Invalid, 1688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:06,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2995 Valid, 4709 Invalid, 1688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 13:52:06,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2023-12-25 13:52:06,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2642. [2023-12-25 13:52:07,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2642 states, 2598 states have (on average 1.5615858352578906) internal successors, (4057), 2598 states have internal predecessors, (4057), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-25 13:52:07,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 2642 states and 4141 transitions. [2023-12-25 13:52:07,003 INFO L78 Accepts]: Start accepts. Automaton has 2642 states and 4141 transitions. Word has length 1183 [2023-12-25 13:52:07,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:07,003 INFO L495 AbstractCegarLoop]: Abstraction has 2642 states and 4141 transitions. [2023-12-25 13:52:07,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 145.83333333333334) internal successors, (875), 6 states have internal predecessors, (875), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-25 13:52:07,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2642 states and 4141 transitions. [2023-12-25 13:52:07,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1184 [2023-12-25 13:52:07,013 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:07,014 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:07,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-12-25 13:52:07,014 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:07,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:07,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1540205108, now seen corresponding path program 1 times [2023-12-25 13:52:07,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:07,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317701915] [2023-12-25 13:52:07,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:07,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:52:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 13:52:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 13:52:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-12-25 13:52:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-12-25 13:52:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-12-25 13:52:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-25 13:52:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-12-25 13:52:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-12-25 13:52:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 852 [2023-12-25 13:52:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 867 [2023-12-25 13:52:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-25 13:52:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 900 [2023-12-25 13:52:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 920 [2023-12-25 13:52:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2023-12-25 13:52:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2023-12-25 13:52:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2023-12-25 13:52:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 972 [2023-12-25 13:52:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 984 [2023-12-25 13:52:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2023-12-25 13:52:26,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:26,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317701915] [2023-12-25 13:52:26,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317701915] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:26,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:26,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:52:26,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403846359] [2023-12-25 13:52:26,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:26,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:52:26,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:26,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:52:26,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:26,882 INFO L87 Difference]: Start difference. First operand 2642 states and 4141 transitions. Second operand has 5 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:52:27,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:27,402 INFO L93 Difference]: Finished difference Result 4246 states and 6651 transitions. [2023-12-25 13:52:27,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 13:52:27,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 1183 [2023-12-25 13:52:27,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:27,405 INFO L225 Difference]: With dead ends: 4246 [2023-12-25 13:52:27,405 INFO L226 Difference]: Without dead ends: 2648 [2023-12-25 13:52:27,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:27,407 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 971 mSDsluCounter, 2664 mSDsCounter, 0 mSdLazyCounter, 1314 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 4015 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:27,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 4015 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1314 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 13:52:27,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2023-12-25 13:52:27,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2645. [2023-12-25 13:52:27,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2645 states, 2601 states have (on average 1.5609381007304883) internal successors, (4060), 2601 states have internal predecessors, (4060), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-25 13:52:27,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 4144 transitions. [2023-12-25 13:52:27,453 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 4144 transitions. Word has length 1183 [2023-12-25 13:52:27,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:27,453 INFO L495 AbstractCegarLoop]: Abstraction has 2645 states and 4144 transitions. [2023-12-25 13:52:27,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 13:52:27,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 4144 transitions. [2023-12-25 13:52:27,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1184 [2023-12-25 13:52:27,463 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:27,464 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:27,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2023-12-25 13:52:27,464 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:27,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:27,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1290693936, now seen corresponding path program 1 times [2023-12-25 13:52:27,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:27,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492902805] [2023-12-25 13:52:27,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:27,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:52:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 13:52:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 13:52:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-12-25 13:52:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-12-25 13:52:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-12-25 13:52:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-25 13:52:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-12-25 13:52:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-12-25 13:52:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 852 [2023-12-25 13:52:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 867 [2023-12-25 13:52:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-25 13:52:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 900 [2023-12-25 13:52:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 920 [2023-12-25 13:52:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2023-12-25 13:52:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2023-12-25 13:52:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2023-12-25 13:52:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 972 [2023-12-25 13:52:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 984 [2023-12-25 13:52:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:45,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:52:45,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:45,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492902805] [2023-12-25 13:52:45,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492902805] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:45,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:45,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:52:45,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454753703] [2023-12-25 13:52:45,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:45,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:52:45,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:45,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:52:45,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:52:45,229 INFO L87 Difference]: Start difference. First operand 2645 states and 4144 transitions. Second operand has 7 states, 7 states have (on average 155.14285714285714) internal successors, (1086), 7 states have internal predecessors, (1086), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-25 13:52:46,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:46,895 INFO L93 Difference]: Finished difference Result 4733 states and 7421 transitions. [2023-12-25 13:52:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 13:52:46,895 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 155.14285714285714) internal successors, (1086), 7 states have internal predecessors, (1086), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 1183 [2023-12-25 13:52:46,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:46,900 INFO L225 Difference]: With dead ends: 4733 [2023-12-25 13:52:46,900 INFO L226 Difference]: Without dead ends: 3715 [2023-12-25 13:52:46,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:52:46,901 INFO L413 NwaCegarLoop]: 2382 mSDtfsCounter, 3872 mSDsluCounter, 7405 mSDsCounter, 0 mSdLazyCounter, 3510 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3872 SdHoareTripleChecker+Valid, 9787 SdHoareTripleChecker+Invalid, 3527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 3510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:46,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3872 Valid, 9787 Invalid, 3527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 3510 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-25 13:52:46,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3715 states. [2023-12-25 13:52:46,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3715 to 2726. [2023-12-25 13:52:46,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2726 states, 2679 states have (on average 1.5614035087719298) internal successors, (4183), 2679 states have internal predecessors, (4183), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-12-25 13:52:46,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 4273 transitions. [2023-12-25 13:52:46,950 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 4273 transitions. Word has length 1183 [2023-12-25 13:52:46,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:46,951 INFO L495 AbstractCegarLoop]: Abstraction has 2726 states and 4273 transitions. [2023-12-25 13:52:46,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 155.14285714285714) internal successors, (1086), 7 states have internal predecessors, (1086), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-25 13:52:46,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 4273 transitions. [2023-12-25 13:52:46,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1184 [2023-12-25 13:52:46,961 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:46,961 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:46,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2023-12-25 13:52:46,961 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:46,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:46,962 INFO L85 PathProgramCache]: Analyzing trace with hash 994001234, now seen corresponding path program 1 times [2023-12-25 13:52:46,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:46,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346488592] [2023-12-25 13:52:46,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:46,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:53:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 13:53:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 13:53:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-12-25 13:53:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-12-25 13:53:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-12-25 13:53:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-25 13:53:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-12-25 13:53:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-12-25 13:53:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 852 [2023-12-25 13:53:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 867 [2023-12-25 13:53:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-25 13:53:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 900 [2023-12-25 13:53:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 920 [2023-12-25 13:53:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2023-12-25 13:53:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2023-12-25 13:53:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2023-12-25 13:53:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 972 [2023-12-25 13:53:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 984 [2023-12-25 13:53:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:07,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 953 trivial. 0 not checked. [2023-12-25 13:53:07,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:07,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346488592] [2023-12-25 13:53:07,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346488592] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:07,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:07,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-25 13:53:07,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023912221] [2023-12-25 13:53:07,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:07,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-25 13:53:07,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:07,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-25 13:53:07,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:53:07,262 INFO L87 Difference]: Start difference. First operand 2726 states and 4273 transitions. Second operand has 10 states, 10 states have (on average 89.7) internal successors, (897), 10 states have internal predecessors, (897), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2023-12-25 13:53:10,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:10,129 INFO L93 Difference]: Finished difference Result 9217 states and 14380 transitions. [2023-12-25 13:53:10,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-25 13:53:10,129 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 89.7) internal successors, (897), 10 states have internal predecessors, (897), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 1183 [2023-12-25 13:53:10,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:10,148 INFO L225 Difference]: With dead ends: 9217 [2023-12-25 13:53:10,148 INFO L226 Difference]: Without dead ends: 7181 [2023-12-25 13:53:10,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2023-12-25 13:53:10,151 INFO L413 NwaCegarLoop]: 2462 mSDtfsCounter, 6278 mSDsluCounter, 14056 mSDsCounter, 0 mSdLazyCounter, 6296 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6288 SdHoareTripleChecker+Valid, 16518 SdHoareTripleChecker+Invalid, 6336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 6296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:10,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6288 Valid, 16518 Invalid, 6336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 6296 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 13:53:10,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7181 states. [2023-12-25 13:53:10,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7181 to 2969. [2023-12-25 13:53:10,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2969 states, 2904 states have (on average 1.553030303030303) internal successors, (4510), 2904 states have internal predecessors, (4510), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2023-12-25 13:53:10,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2969 states to 2969 states and 4636 transitions. [2023-12-25 13:53:10,231 INFO L78 Accepts]: Start accepts. Automaton has 2969 states and 4636 transitions. Word has length 1183 [2023-12-25 13:53:10,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:10,232 INFO L495 AbstractCegarLoop]: Abstraction has 2969 states and 4636 transitions. [2023-12-25 13:53:10,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 89.7) internal successors, (897), 10 states have internal predecessors, (897), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2023-12-25 13:53:10,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2969 states and 4636 transitions. [2023-12-25 13:53:10,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1186 [2023-12-25 13:53:10,243 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:10,243 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:10,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2023-12-25 13:53:10,244 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:10,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:10,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1405280376, now seen corresponding path program 1 times [2023-12-25 13:53:10,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:10,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607737257] [2023-12-25 13:53:10,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:10,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:53:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 13:53:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 13:53:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-12-25 13:53:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-12-25 13:53:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-12-25 13:53:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-25 13:53:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-12-25 13:53:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 13:53:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2023-12-25 13:53:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 868 [2023-12-25 13:53:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 882 [2023-12-25 13:53:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 901 [2023-12-25 13:53:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 921 [2023-12-25 13:53:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 937 [2023-12-25 13:53:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 948 [2023-12-25 13:53:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2023-12-25 13:53:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 973 [2023-12-25 13:53:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 986 [2023-12-25 13:53:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2023-12-25 13:53:31,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:31,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607737257] [2023-12-25 13:53:31,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607737257] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:31,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:31,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 13:53:31,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659045237] [2023-12-25 13:53:31,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:31,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 13:53:31,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:31,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 13:53:31,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:53:31,862 INFO L87 Difference]: Start difference. First operand 2969 states and 4636 transitions. Second operand has 8 states, 8 states have (on average 109.875) internal successors, (879), 8 states have internal predecessors, (879), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-25 13:53:32,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:32,190 INFO L93 Difference]: Finished difference Result 9230 states and 14405 transitions. [2023-12-25 13:53:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 13:53:32,190 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 109.875) internal successors, (879), 8 states have internal predecessors, (879), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 1185 [2023-12-25 13:53:32,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:32,198 INFO L225 Difference]: With dead ends: 9230 [2023-12-25 13:53:32,198 INFO L226 Difference]: Without dead ends: 7007 [2023-12-25 13:53:32,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:53:32,201 INFO L413 NwaCegarLoop]: 3208 mSDtfsCounter, 5819 mSDsluCounter, 11575 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5836 SdHoareTripleChecker+Valid, 14783 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:32,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5836 Valid, 14783 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:53:32,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7007 states. [2023-12-25 13:53:32,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7007 to 3331. [2023-12-25 13:53:32,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3331 states, 3248 states have (on average 1.5504926108374384) internal successors, (5036), 3248 states have internal predecessors, (5036), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-12-25 13:53:32,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3331 states to 3331 states and 5198 transitions. [2023-12-25 13:53:32,296 INFO L78 Accepts]: Start accepts. Automaton has 3331 states and 5198 transitions. Word has length 1185 [2023-12-25 13:53:32,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:32,296 INFO L495 AbstractCegarLoop]: Abstraction has 3331 states and 5198 transitions. [2023-12-25 13:53:32,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 109.875) internal successors, (879), 8 states have internal predecessors, (879), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-25 13:53:32,297 INFO L276 IsEmpty]: Start isEmpty. Operand 3331 states and 5198 transitions. [2023-12-25 13:53:32,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1186 [2023-12-25 13:53:32,308 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:32,308 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:32,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2023-12-25 13:53:32,308 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:32,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:32,309 INFO L85 PathProgramCache]: Analyzing trace with hash -316768734, now seen corresponding path program 1 times [2023-12-25 13:53:32,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:32,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769788789] [2023-12-25 13:53:32,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:32,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:53:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 13:53:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 13:53:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-12-25 13:53:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-12-25 13:53:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-12-25 13:53:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-25 13:53:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-12-25 13:53:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 13:53:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2023-12-25 13:53:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 868 [2023-12-25 13:53:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 882 [2023-12-25 13:53:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 901 [2023-12-25 13:53:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 921 [2023-12-25 13:53:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 937 [2023-12-25 13:53:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 948 [2023-12-25 13:53:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2023-12-25 13:53:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 973 [2023-12-25 13:53:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 986 [2023-12-25 13:53:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2023-12-25 13:53:51,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:51,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769788789] [2023-12-25 13:53:51,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769788789] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:51,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:51,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:53:51,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240707289] [2023-12-25 13:53:51,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:51,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:53:51,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:51,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:53:51,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:53:51,704 INFO L87 Difference]: Start difference. First operand 3331 states and 5198 transitions. Second operand has 7 states, 7 states have (on average 126.28571428571429) internal successors, (884), 7 states have internal predecessors, (884), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-25 13:53:52,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:52,669 INFO L93 Difference]: Finished difference Result 5546 states and 8650 transitions. [2023-12-25 13:53:52,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:53:52,669 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 126.28571428571429) internal successors, (884), 7 states have internal predecessors, (884), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 1185 [2023-12-25 13:53:52,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:52,673 INFO L225 Difference]: With dead ends: 5546 [2023-12-25 13:53:52,673 INFO L226 Difference]: Without dead ends: 3343 [2023-12-25 13:53:52,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:53:52,678 INFO L413 NwaCegarLoop]: 1445 mSDtfsCounter, 3136 mSDsluCounter, 3329 mSDsCounter, 0 mSdLazyCounter, 1698 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3137 SdHoareTripleChecker+Valid, 4774 SdHoareTripleChecker+Invalid, 1713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:52,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3137 Valid, 4774 Invalid, 1713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1698 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 13:53:52,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3343 states. [2023-12-25 13:53:52,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3343 to 3331. [2023-12-25 13:53:52,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3331 states, 3248 states have (on average 1.5486453201970443) internal successors, (5030), 3248 states have internal predecessors, (5030), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-12-25 13:53:52,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3331 states to 3331 states and 5192 transitions. [2023-12-25 13:53:52,782 INFO L78 Accepts]: Start accepts. Automaton has 3331 states and 5192 transitions. Word has length 1185 [2023-12-25 13:53:52,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:52,782 INFO L495 AbstractCegarLoop]: Abstraction has 3331 states and 5192 transitions. [2023-12-25 13:53:52,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 126.28571428571429) internal successors, (884), 7 states have internal predecessors, (884), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-25 13:53:52,782 INFO L276 IsEmpty]: Start isEmpty. Operand 3331 states and 5192 transitions. [2023-12-25 13:53:52,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1187 [2023-12-25 13:53:52,806 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:52,807 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:52,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2023-12-25 13:53:52,807 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:52,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:52,807 INFO L85 PathProgramCache]: Analyzing trace with hash 113458216, now seen corresponding path program 1 times [2023-12-25 13:53:52,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:52,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238934194] [2023-12-25 13:53:52,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:52,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:54:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:54:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 13:54:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 13:54:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-12-25 13:54:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:54:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-12-25 13:54:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-12-25 13:54:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-12-25 13:54:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-12-25 13:54:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:54:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2023-12-25 13:54:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-25 13:54:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 883 [2023-12-25 13:54:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 902 [2023-12-25 13:54:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2023-12-25 13:54:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2023-12-25 13:54:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 949 [2023-12-25 13:54:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2023-12-25 13:54:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 13:54:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 987 [2023-12-25 13:54:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:09,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2023-12-25 13:54:09,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:54:09,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238934194] [2023-12-25 13:54:09,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238934194] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:54:09,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:54:09,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 13:54:09,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694857017] [2023-12-25 13:54:09,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:54:09,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 13:54:09,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:54:09,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 13:54:09,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:54:09,918 INFO L87 Difference]: Start difference. First operand 3331 states and 5192 transitions. Second operand has 6 states, 6 states have (on average 137.33333333333334) internal successors, (824), 6 states have internal predecessors, (824), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-25 13:54:10,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:54:10,659 INFO L93 Difference]: Finished difference Result 6246 states and 9702 transitions. [2023-12-25 13:54:10,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:54:10,659 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 137.33333333333334) internal successors, (824), 6 states have internal predecessors, (824), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 1186 [2023-12-25 13:54:10,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:54:10,663 INFO L225 Difference]: With dead ends: 6246 [2023-12-25 13:54:10,663 INFO L226 Difference]: Without dead ends: 3343 [2023-12-25 13:54:10,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-12-25 13:54:10,665 INFO L413 NwaCegarLoop]: 1353 mSDtfsCounter, 3048 mSDsluCounter, 3047 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3048 SdHoareTripleChecker+Valid, 4400 SdHoareTripleChecker+Invalid, 1486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:54:10,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3048 Valid, 4400 Invalid, 1486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:54:10,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3343 states. [2023-12-25 13:54:10,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3343 to 3337. [2023-12-25 13:54:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3337 states, 3254 states have (on average 1.5476336816226184) internal successors, (5036), 3254 states have internal predecessors, (5036), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-12-25 13:54:10,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3337 states to 3337 states and 5198 transitions. [2023-12-25 13:54:10,749 INFO L78 Accepts]: Start accepts. Automaton has 3337 states and 5198 transitions. Word has length 1186 [2023-12-25 13:54:10,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:54:10,749 INFO L495 AbstractCegarLoop]: Abstraction has 3337 states and 5198 transitions. [2023-12-25 13:54:10,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 137.33333333333334) internal successors, (824), 6 states have internal predecessors, (824), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-25 13:54:10,749 INFO L276 IsEmpty]: Start isEmpty. Operand 3337 states and 5198 transitions. [2023-12-25 13:54:10,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1187 [2023-12-25 13:54:10,760 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:54:10,760 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:54:10,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2023-12-25 13:54:10,760 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:54:10,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:54:10,761 INFO L85 PathProgramCache]: Analyzing trace with hash -245812308, now seen corresponding path program 1 times [2023-12-25 13:54:10,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:54:10,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226297393] [2023-12-25 13:54:10,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:54:10,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:54:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:54:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 13:54:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 13:54:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-12-25 13:54:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:54:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-12-25 13:54:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-12-25 13:54:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-12-25 13:54:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-12-25 13:54:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:54:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2023-12-25 13:54:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-25 13:54:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 883 [2023-12-25 13:54:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 902 [2023-12-25 13:54:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2023-12-25 13:54:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2023-12-25 13:54:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 949 [2023-12-25 13:54:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2023-12-25 13:54:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 13:54:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 987 [2023-12-25 13:54:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:34,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2023-12-25 13:54:34,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:54:34,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226297393] [2023-12-25 13:54:34,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226297393] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:54:34,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:54:34,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 13:54:34,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991849895] [2023-12-25 13:54:34,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:54:34,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 13:54:34,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:54:34,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 13:54:34,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:54:34,619 INFO L87 Difference]: Start difference. First operand 3337 states and 5198 transitions. Second operand has 8 states, 8 states have (on average 111.0) internal successors, (888), 8 states have internal predecessors, (888), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-25 13:54:35,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:54:35,021 INFO L93 Difference]: Finished difference Result 10334 states and 16073 transitions. [2023-12-25 13:54:35,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 13:54:35,022 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 111.0) internal successors, (888), 8 states have internal predecessors, (888), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 1186 [2023-12-25 13:54:35,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:54:35,031 INFO L225 Difference]: With dead ends: 10334 [2023-12-25 13:54:35,031 INFO L226 Difference]: Without dead ends: 8161 [2023-12-25 13:54:35,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:54:35,035 INFO L413 NwaCegarLoop]: 3195 mSDtfsCounter, 5773 mSDsluCounter, 11029 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5789 SdHoareTripleChecker+Valid, 14224 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:54:35,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5789 Valid, 14224 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:54:35,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8161 states. [2023-12-25 13:54:35,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8161 to 4281. [2023-12-25 13:54:35,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4146 states have (on average 1.5378678244090689) internal successors, (6376), 4146 states have internal predecessors, (6376), 133 states have call successors, (133), 1 states have call predecessors, (133), 1 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2023-12-25 13:54:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 6642 transitions. [2023-12-25 13:54:35,176 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 6642 transitions. Word has length 1186 [2023-12-25 13:54:35,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:54:35,176 INFO L495 AbstractCegarLoop]: Abstraction has 4281 states and 6642 transitions. [2023-12-25 13:54:35,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 111.0) internal successors, (888), 8 states have internal predecessors, (888), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-25 13:54:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 6642 transitions. [2023-12-25 13:54:35,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1187 [2023-12-25 13:54:35,188 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:54:35,188 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:54:35,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2023-12-25 13:54:35,188 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:54:35,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:54:35,189 INFO L85 PathProgramCache]: Analyzing trace with hash -941079716, now seen corresponding path program 1 times [2023-12-25 13:54:35,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:54:35,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671175409] [2023-12-25 13:54:35,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:54:35,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:54:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:54:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 13:54:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 13:54:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-12-25 13:54:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:54:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-12-25 13:54:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-12-25 13:54:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-12-25 13:54:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-12-25 13:54:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:54:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2023-12-25 13:54:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-25 13:54:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 883 [2023-12-25 13:54:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 902 [2023-12-25 13:54:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2023-12-25 13:54:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2023-12-25 13:54:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 949 [2023-12-25 13:54:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2023-12-25 13:54:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 13:54:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 987 [2023-12-25 13:54:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:37,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 1004 trivial. 0 not checked. [2023-12-25 13:54:37,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:54:37,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671175409] [2023-12-25 13:54:37,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671175409] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:54:37,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:54:37,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:54:37,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881037386] [2023-12-25 13:54:37,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:54:37,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:54:37,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:54:37,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:54:37,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:54:37,408 INFO L87 Difference]: Start difference. First operand 4281 states and 6642 transitions. Second operand has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-25 13:54:37,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:54:37,547 INFO L93 Difference]: Finished difference Result 6960 states and 10782 transitions. [2023-12-25 13:54:37,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:54:37,548 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 1186 [2023-12-25 13:54:37,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:54:37,552 INFO L225 Difference]: With dead ends: 6960 [2023-12-25 13:54:37,552 INFO L226 Difference]: Without dead ends: 4323 [2023-12-25 13:54:37,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:54:37,555 INFO L413 NwaCegarLoop]: 1777 mSDtfsCounter, 1 mSDsluCounter, 3535 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5312 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 13:54:37,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5312 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 13:54:37,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4323 states. [2023-12-25 13:54:37,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4323 to 4309. [2023-12-25 13:54:37,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4309 states, 4174 states have (on average 1.5342597029228557) internal successors, (6404), 4174 states have internal predecessors, (6404), 133 states have call successors, (133), 1 states have call predecessors, (133), 1 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2023-12-25 13:54:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4309 states to 4309 states and 6670 transitions. [2023-12-25 13:54:37,678 INFO L78 Accepts]: Start accepts. Automaton has 4309 states and 6670 transitions. Word has length 1186 [2023-12-25 13:54:37,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:54:37,678 INFO L495 AbstractCegarLoop]: Abstraction has 4309 states and 6670 transitions. [2023-12-25 13:54:37,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-25 13:54:37,679 INFO L276 IsEmpty]: Start isEmpty. Operand 4309 states and 6670 transitions. [2023-12-25 13:54:37,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1188 [2023-12-25 13:54:37,690 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:54:37,690 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:54:37,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2023-12-25 13:54:37,691 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:54:37,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:54:37,691 INFO L85 PathProgramCache]: Analyzing trace with hash 325285296, now seen corresponding path program 1 times [2023-12-25 13:54:37,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:54:37,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128172069] [2023-12-25 13:54:37,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:54:37,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:54:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 13:54:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 13:54:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 13:54:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-12-25 13:54:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:54:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-12-25 13:54:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-12-25 13:54:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-12-25 13:54:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:54:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 13:54:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 855 [2023-12-25 13:54:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 870 [2023-12-25 13:54:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2023-12-25 13:54:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 903 [2023-12-25 13:54:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2023-12-25 13:54:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 939 [2023-12-25 13:54:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2023-12-25 13:54:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 963 [2023-12-25 13:54:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2023-12-25 13:54:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2023-12-25 13:54:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:58,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 238 proven. 4 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-12-25 13:54:58,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:54:58,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128172069] [2023-12-25 13:54:58,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128172069] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 13:54:58,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880098239] [2023-12-25 13:54:58,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:54:58,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 13:54:58,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 13:54:58,763 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 13:54:58,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-25 13:55:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:00,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 7730 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 13:55:00,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 13:55:00,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2023-12-25 13:55:00,696 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 13:55:00,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880098239] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:55:00,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 13:55:00,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2023-12-25 13:55:00,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939007054] [2023-12-25 13:55:00,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:55:00,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 13:55:00,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:55:00,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 13:55:00,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-25 13:55:00,699 INFO L87 Difference]: Start difference. First operand 4309 states and 6670 transitions. Second operand has 9 states, 8 states have (on average 102.5) internal successors, (820), 8 states have internal predecessors, (820), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-25 13:55:01,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:55:01,020 INFO L93 Difference]: Finished difference Result 8172 states and 12598 transitions. [2023-12-25 13:55:01,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 13:55:01,021 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 102.5) internal successors, (820), 8 states have internal predecessors, (820), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 1187 [2023-12-25 13:55:01,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:55:01,025 INFO L225 Difference]: With dead ends: 8172 [2023-12-25 13:55:01,025 INFO L226 Difference]: Without dead ends: 4299 [2023-12-25 13:55:01,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1238 GetRequests, 1223 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2023-12-25 13:55:01,028 INFO L413 NwaCegarLoop]: 1747 mSDtfsCounter, 3234 mSDsluCounter, 8719 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3244 SdHoareTripleChecker+Valid, 10466 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:55:01,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3244 Valid, 10466 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:55:01,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4299 states. [2023-12-25 13:55:01,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4299 to 4299. [2023-12-25 13:55:01,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4299 states, 4164 states have (on average 1.5283381364073008) internal successors, (6364), 4164 states have internal predecessors, (6364), 133 states have call successors, (133), 1 states have call predecessors, (133), 1 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2023-12-25 13:55:01,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 4299 states and 6630 transitions. [2023-12-25 13:55:01,159 INFO L78 Accepts]: Start accepts. Automaton has 4299 states and 6630 transitions. Word has length 1187 [2023-12-25 13:55:01,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:55:01,159 INFO L495 AbstractCegarLoop]: Abstraction has 4299 states and 6630 transitions. [2023-12-25 13:55:01,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 102.5) internal successors, (820), 8 states have internal predecessors, (820), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-25 13:55:01,159 INFO L276 IsEmpty]: Start isEmpty. Operand 4299 states and 6630 transitions. [2023-12-25 13:55:01,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1190 [2023-12-25 13:55:01,171 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:55:01,171 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:55:01,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-25 13:55:01,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2023-12-25 13:55:01,408 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:55:01,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:55:01,408 INFO L85 PathProgramCache]: Analyzing trace with hash 204121786, now seen corresponding path program 1 times [2023-12-25 13:55:01,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:55:01,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564334446] [2023-12-25 13:55:01,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:55:01,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:55:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 13:55:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 13:55:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 13:55:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-12-25 13:55:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-25 13:55:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-12-25 13:55:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 13:55:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-12-25 13:55:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-12-25 13:55:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-12-25 13:55:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-25 13:55:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 872 [2023-12-25 13:55:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 886 [2023-12-25 13:55:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2023-12-25 13:55:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2023-12-25 13:55:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2023-12-25 13:55:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2023-12-25 13:55:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 965 [2023-12-25 13:55:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 977 [2023-12-25 13:55:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 990 [2023-12-25 13:55:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:24,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1063 backedges. 238 proven. 4 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2023-12-25 13:55:24,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:55:24,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564334446] [2023-12-25 13:55:24,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564334446] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 13:55:24,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215958608] [2023-12-25 13:55:24,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:55:24,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 13:55:24,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 13:55:24,116 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 13:55:24,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-25 13:55:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:25,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 7736 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 13:55:25,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 13:55:26,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1063 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 817 trivial. 0 not checked. [2023-12-25 13:55:26,028 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 13:55:26,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215958608] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:55:26,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 13:55:26,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2023-12-25 13:55:26,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059730190] [2023-12-25 13:55:26,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:55:26,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 13:55:26,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:55:26,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 13:55:26,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-25 13:55:26,030 INFO L87 Difference]: Start difference. First operand 4299 states and 6630 transitions. Second operand has 9 states, 8 states have (on average 105.5) internal successors, (844), 9 states have internal predecessors, (844), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:55:26,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:55:26,308 INFO L93 Difference]: Finished difference Result 7826 states and 12026 transitions. [2023-12-25 13:55:26,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 13:55:26,309 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 105.5) internal successors, (844), 9 states have internal predecessors, (844), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 1189 [2023-12-25 13:55:26,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:55:26,313 INFO L225 Difference]: With dead ends: 7826 [2023-12-25 13:55:26,313 INFO L226 Difference]: Without dead ends: 4299 [2023-12-25 13:55:26,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1240 GetRequests, 1225 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2023-12-25 13:55:26,317 INFO L413 NwaCegarLoop]: 1746 mSDtfsCounter, 1622 mSDsluCounter, 8726 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1632 SdHoareTripleChecker+Valid, 10472 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:55:26,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1632 Valid, 10472 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:55:26,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4299 states. [2023-12-25 13:55:26,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4299 to 4299. [2023-12-25 13:55:26,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4299 states, 4164 states have (on average 1.5259365994236311) internal successors, (6354), 4164 states have internal predecessors, (6354), 133 states have call successors, (133), 1 states have call predecessors, (133), 1 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2023-12-25 13:55:26,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 4299 states and 6620 transitions. [2023-12-25 13:55:26,442 INFO L78 Accepts]: Start accepts. Automaton has 4299 states and 6620 transitions. Word has length 1189 [2023-12-25 13:55:26,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:55:26,442 INFO L495 AbstractCegarLoop]: Abstraction has 4299 states and 6620 transitions. [2023-12-25 13:55:26,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 105.5) internal successors, (844), 9 states have internal predecessors, (844), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:55:26,443 INFO L276 IsEmpty]: Start isEmpty. Operand 4299 states and 6620 transitions. [2023-12-25 13:55:26,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1192 [2023-12-25 13:55:26,454 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:55:26,454 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:55:26,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-25 13:55:26,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 13:55:26,661 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:55:26,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:55:26,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1253055024, now seen corresponding path program 1 times [2023-12-25 13:55:26,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:55:26,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775299719] [2023-12-25 13:55:26,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:55:26,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:55:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 13:55:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 13:55:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-25 13:55:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-12-25 13:55:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-12-25 13:55:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:55:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-25 13:55:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-12-25 13:55:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-12-25 13:55:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2023-12-25 13:55:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 858 [2023-12-25 13:55:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 873 [2023-12-25 13:55:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 888 [2023-12-25 13:55:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2023-12-25 13:55:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 927 [2023-12-25 13:55:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2023-12-25 13:55:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 954 [2023-12-25 13:55:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 967 [2023-12-25 13:55:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2023-12-25 13:55:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 992 [2023-12-25 13:55:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:42,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked. [2023-12-25 13:55:42,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:55:42,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775299719] [2023-12-25 13:55:42,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775299719] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:55:42,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:55:42,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:55:42,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981163393] [2023-12-25 13:55:42,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:55:42,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:55:42,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:55:42,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:55:42,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:55:42,762 INFO L87 Difference]: Start difference. First operand 4299 states and 6620 transitions. Second operand has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:55:43,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:55:43,426 INFO L93 Difference]: Finished difference Result 6058 states and 9358 transitions. [2023-12-25 13:55:43,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:55:43,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1191 [2023-12-25 13:55:43,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:55:43,431 INFO L225 Difference]: With dead ends: 6058 [2023-12-25 13:55:43,431 INFO L226 Difference]: Without dead ends: 4299 [2023-12-25 13:55:43,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:55:43,432 INFO L413 NwaCegarLoop]: 1331 mSDtfsCounter, 1391 mSDsluCounter, 1333 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1391 SdHoareTripleChecker+Valid, 2664 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 13:55:43,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1391 Valid, 2664 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 13:55:43,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4299 states. [2023-12-25 13:55:43,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4299 to 4299. [2023-12-25 13:55:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4299 states, 4164 states have (on average 1.5252161383285303) internal successors, (6351), 4164 states have internal predecessors, (6351), 133 states have call successors, (133), 1 states have call predecessors, (133), 1 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2023-12-25 13:55:43,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 4299 states and 6617 transitions. [2023-12-25 13:55:43,549 INFO L78 Accepts]: Start accepts. Automaton has 4299 states and 6617 transitions. Word has length 1191 [2023-12-25 13:55:43,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:55:43,550 INFO L495 AbstractCegarLoop]: Abstraction has 4299 states and 6617 transitions. [2023-12-25 13:55:43,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 13:55:43,550 INFO L276 IsEmpty]: Start isEmpty. Operand 4299 states and 6617 transitions. [2023-12-25 13:55:43,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1192 [2023-12-25 13:55:43,561 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:55:43,561 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:55:43,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2023-12-25 13:55:43,561 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:55:43,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:55:43,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1242885104, now seen corresponding path program 1 times [2023-12-25 13:55:43,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:55:43,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975506830] [2023-12-25 13:55:43,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:55:43,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:56:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 13:56:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 13:56:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-25 13:56:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-12-25 13:56:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-12-25 13:56:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:56:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-25 13:56:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-12-25 13:56:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-12-25 13:56:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2023-12-25 13:56:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 858 [2023-12-25 13:56:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 873 [2023-12-25 13:56:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 888 [2023-12-25 13:56:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2023-12-25 13:56:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 927 [2023-12-25 13:56:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2023-12-25 13:56:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 954 [2023-12-25 13:56:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 967 [2023-12-25 13:56:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2023-12-25 13:56:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 992 [2023-12-25 13:56:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:05,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 238 proven. 4 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked. [2023-12-25 13:56:05,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:56:05,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975506830] [2023-12-25 13:56:05,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975506830] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 13:56:05,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515074473] [2023-12-25 13:56:05,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:56:05,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 13:56:05,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 13:56:05,991 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 13:56:05,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-25 13:56:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:07,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 7742 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 13:56:07,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 13:56:07,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2023-12-25 13:56:07,922 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 13:56:07,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515074473] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:56:07,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 13:56:07,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2023-12-25 13:56:07,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263827048] [2023-12-25 13:56:07,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:56:07,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 13:56:07,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:56:07,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 13:56:07,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-25 13:56:07,925 INFO L87 Difference]: Start difference. First operand 4299 states and 6617 transitions. Second operand has 9 states, 8 states have (on average 107.375) internal successors, (859), 9 states have internal predecessors, (859), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-25 13:56:08,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:56:08,198 INFO L93 Difference]: Finished difference Result 7618 states and 11684 transitions. [2023-12-25 13:56:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 13:56:08,199 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 107.375) internal successors, (859), 9 states have internal predecessors, (859), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 1191 [2023-12-25 13:56:08,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:56:08,203 INFO L225 Difference]: With dead ends: 7618 [2023-12-25 13:56:08,204 INFO L226 Difference]: Without dead ends: 4299 [2023-12-25 13:56:08,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1242 GetRequests, 1227 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2023-12-25 13:56:08,207 INFO L413 NwaCegarLoop]: 1744 mSDtfsCounter, 3193 mSDsluCounter, 8668 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3203 SdHoareTripleChecker+Valid, 10412 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:56:08,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3203 Valid, 10412 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:56:08,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4299 states. [2023-12-25 13:56:08,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4299 to 4299. [2023-12-25 13:56:08,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4299 states, 4164 states have (on average 1.521853986551393) internal successors, (6337), 4164 states have internal predecessors, (6337), 133 states have call successors, (133), 1 states have call predecessors, (133), 1 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2023-12-25 13:56:08,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 4299 states and 6603 transitions. [2023-12-25 13:56:08,335 INFO L78 Accepts]: Start accepts. Automaton has 4299 states and 6603 transitions. Word has length 1191 [2023-12-25 13:56:08,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:56:08,335 INFO L495 AbstractCegarLoop]: Abstraction has 4299 states and 6603 transitions. [2023-12-25 13:56:08,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 107.375) internal successors, (859), 9 states have internal predecessors, (859), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-25 13:56:08,336 INFO L276 IsEmpty]: Start isEmpty. Operand 4299 states and 6603 transitions. [2023-12-25 13:56:08,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1194 [2023-12-25 13:56:08,347 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:56:08,348 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:56:08,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-25 13:56:08,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 13:56:08,561 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:56:08,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:56:08,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1196821734, now seen corresponding path program 1 times [2023-12-25 13:56:08,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:56:08,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469669905] [2023-12-25 13:56:08,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:56:08,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:56:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 13:56:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 13:56:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-25 13:56:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-12-25 13:56:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:56:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-12-25 13:56:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-12-25 13:56:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-12-25 13:56:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-25 13:56:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:56:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 859 [2023-12-25 13:56:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2023-12-25 13:56:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2023-12-25 13:56:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 909 [2023-12-25 13:56:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2023-12-25 13:56:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 945 [2023-12-25 13:56:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 956 [2023-12-25 13:56:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 969 [2023-12-25 13:56:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 981 [2023-12-25 13:56:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 994 [2023-12-25 13:56:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:31,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-12-25 13:56:31,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:56:31,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469669905] [2023-12-25 13:56:31,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469669905] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:56:31,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:56:31,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 13:56:31,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163883545] [2023-12-25 13:56:31,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:56:31,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 13:56:31,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:56:31,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 13:56:31,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 13:56:31,618 INFO L87 Difference]: Start difference. First operand 4299 states and 6603 transitions. Second operand has 9 states, 9 states have (on average 115.77777777777777) internal successors, (1042), 9 states have internal predecessors, (1042), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-25 13:56:35,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:56:35,124 INFO L93 Difference]: Finished difference Result 12900 states and 19806 transitions. [2023-12-25 13:56:35,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-25 13:56:35,124 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 115.77777777777777) internal successors, (1042), 9 states have internal predecessors, (1042), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 1193 [2023-12-25 13:56:35,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:56:35,156 INFO L225 Difference]: With dead ends: 12900 [2023-12-25 13:56:35,157 INFO L226 Difference]: Without dead ends: 9921 [2023-12-25 13:56:35,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-25 13:56:35,161 INFO L413 NwaCegarLoop]: 3295 mSDtfsCounter, 3917 mSDsluCounter, 16661 mSDsCounter, 0 mSdLazyCounter, 7408 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3927 SdHoareTripleChecker+Valid, 19956 SdHoareTripleChecker+Invalid, 7422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 7408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:56:35,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3927 Valid, 19956 Invalid, 7422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 7408 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-25 13:56:35,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9921 states. [2023-12-25 13:56:35,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9921 to 4313. [2023-12-25 13:56:35,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4313 states, 4178 states have (on average 1.5201053135471518) internal successors, (6351), 4178 states have internal predecessors, (6351), 133 states have call successors, (133), 1 states have call predecessors, (133), 1 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2023-12-25 13:56:35,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4313 states to 4313 states and 6617 transitions. [2023-12-25 13:56:35,308 INFO L78 Accepts]: Start accepts. Automaton has 4313 states and 6617 transitions. Word has length 1193 [2023-12-25 13:56:35,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:56:35,308 INFO L495 AbstractCegarLoop]: Abstraction has 4313 states and 6617 transitions. [2023-12-25 13:56:35,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 115.77777777777777) internal successors, (1042), 9 states have internal predecessors, (1042), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-25 13:56:35,309 INFO L276 IsEmpty]: Start isEmpty. Operand 4313 states and 6617 transitions. [2023-12-25 13:56:35,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1194 [2023-12-25 13:56:35,320 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:56:35,320 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:56:35,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2023-12-25 13:56:35,320 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:56:35,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:56:35,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1429385750, now seen corresponding path program 1 times [2023-12-25 13:56:35,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:56:35,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046803817] [2023-12-25 13:56:35,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:56:35,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:56:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 13:56:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 13:56:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-25 13:56:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-12-25 13:56:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:56:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-12-25 13:56:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-12-25 13:56:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-12-25 13:56:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-25 13:56:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:56:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 859 [2023-12-25 13:56:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2023-12-25 13:56:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2023-12-25 13:56:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 909 [2023-12-25 13:56:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2023-12-25 13:56:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 945 [2023-12-25 13:56:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 956 [2023-12-25 13:56:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 969 [2023-12-25 13:56:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 981 [2023-12-25 13:56:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 994 [2023-12-25 13:56:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:58,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 304 proven. 1 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:56:58,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:56:58,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046803817] [2023-12-25 13:56:58,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046803817] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 13:56:58,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996737322] [2023-12-25 13:56:58,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:56:58,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 13:56:58,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 13:56:58,267 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 13:56:58,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-25 13:56:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:59,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 7750 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 13:56:59,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 13:57:00,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 432 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2023-12-25 13:57:00,163 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 13:57:00,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996737322] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:57:00,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 13:57:00,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2023-12-25 13:57:00,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434540167] [2023-12-25 13:57:00,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:57:00,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 13:57:00,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:57:00,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 13:57:00,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2023-12-25 13:57:00,165 INFO L87 Difference]: Start difference. First operand 4313 states and 6617 transitions. Second operand has 9 states, 8 states have (on average 110.875) internal successors, (887), 9 states have internal predecessors, (887), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-25 13:57:00,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:57:00,499 INFO L93 Difference]: Finished difference Result 6990 states and 10676 transitions. [2023-12-25 13:57:00,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 13:57:00,500 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 110.875) internal successors, (887), 9 states have internal predecessors, (887), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 1193 [2023-12-25 13:57:00,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:57:00,506 INFO L225 Difference]: With dead ends: 6990 [2023-12-25 13:57:00,506 INFO L226 Difference]: Without dead ends: 4313 [2023-12-25 13:57:00,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1244 GetRequests, 1226 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2023-12-25 13:57:00,508 INFO L413 NwaCegarLoop]: 1743 mSDtfsCounter, 3164 mSDsluCounter, 8663 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3174 SdHoareTripleChecker+Valid, 10406 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:57:00,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3174 Valid, 10406 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:57:00,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4313 states. [2023-12-25 13:57:00,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4313 to 4313. [2023-12-25 13:57:00,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4313 states, 4178 states have (on average 1.5134035423647678) internal successors, (6323), 4178 states have internal predecessors, (6323), 133 states have call successors, (133), 1 states have call predecessors, (133), 1 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2023-12-25 13:57:00,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4313 states to 4313 states and 6589 transitions. [2023-12-25 13:57:00,635 INFO L78 Accepts]: Start accepts. Automaton has 4313 states and 6589 transitions. Word has length 1193 [2023-12-25 13:57:00,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:57:00,636 INFO L495 AbstractCegarLoop]: Abstraction has 4313 states and 6589 transitions. [2023-12-25 13:57:00,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 110.875) internal successors, (887), 9 states have internal predecessors, (887), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-25 13:57:00,636 INFO L276 IsEmpty]: Start isEmpty. Operand 4313 states and 6589 transitions. [2023-12-25 13:57:00,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1196 [2023-12-25 13:57:00,648 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:57:00,648 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:57:00,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-25 13:57:00,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 13:57:00,868 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:57:00,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:57:00,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1993164592, now seen corresponding path program 1 times [2023-12-25 13:57:00,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:57:00,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189335151] [2023-12-25 13:57:00,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:57:00,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:57:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 13:57:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 13:57:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-25 13:57:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-12-25 13:57:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:57:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-12-25 13:57:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-12-25 13:57:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 13:57:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:57:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-12-25 13:57:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-12-25 13:57:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-25 13:57:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 890 [2023-12-25 13:57:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 910 [2023-12-25 13:57:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 930 [2023-12-25 13:57:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2023-12-25 13:57:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 958 [2023-12-25 13:57:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 971 [2023-12-25 13:57:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 983 [2023-12-25 13:57:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 996 [2023-12-25 13:57:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 986 trivial. 0 not checked. [2023-12-25 13:57:20,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:57:20,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189335151] [2023-12-25 13:57:20,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189335151] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:57:20,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:57:20,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 13:57:20,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763314653] [2023-12-25 13:57:20,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:57:20,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 13:57:20,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:57:20,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 13:57:20,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:57:20,988 INFO L87 Difference]: Start difference. First operand 4313 states and 6589 transitions. Second operand has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-25 13:57:21,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:57:21,976 INFO L93 Difference]: Finished difference Result 7166 states and 10868 transitions. [2023-12-25 13:57:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:57:21,977 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 1195 [2023-12-25 13:57:21,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:57:21,981 INFO L225 Difference]: With dead ends: 7166 [2023-12-25 13:57:21,981 INFO L226 Difference]: Without dead ends: 4425 [2023-12-25 13:57:21,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-12-25 13:57:21,984 INFO L413 NwaCegarLoop]: 1423 mSDtfsCounter, 2977 mSDsluCounter, 3250 mSDsCounter, 0 mSdLazyCounter, 1603 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2977 SdHoareTripleChecker+Valid, 4673 SdHoareTripleChecker+Invalid, 1619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 13:57:21,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2977 Valid, 4673 Invalid, 1619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1603 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 13:57:21,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4425 states. [2023-12-25 13:57:22,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4425 to 4397. [2023-12-25 13:57:22,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4397 states, 4262 states have (on average 1.496715157203191) internal successors, (6379), 4262 states have internal predecessors, (6379), 133 states have call successors, (133), 1 states have call predecessors, (133), 1 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2023-12-25 13:57:22,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4397 states to 4397 states and 6645 transitions. [2023-12-25 13:57:22,111 INFO L78 Accepts]: Start accepts. Automaton has 4397 states and 6645 transitions. Word has length 1195 [2023-12-25 13:57:22,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:57:22,111 INFO L495 AbstractCegarLoop]: Abstraction has 4397 states and 6645 transitions. [2023-12-25 13:57:22,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-25 13:57:22,111 INFO L276 IsEmpty]: Start isEmpty. Operand 4397 states and 6645 transitions. [2023-12-25 13:57:22,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1196 [2023-12-25 13:57:22,123 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:57:22,123 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:57:22,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2023-12-25 13:57:22,123 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:57:22,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:57:22,123 INFO L85 PathProgramCache]: Analyzing trace with hash 494462064, now seen corresponding path program 1 times [2023-12-25 13:57:22,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:57:22,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943759597] [2023-12-25 13:57:22,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:57:22,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:57:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 13:57:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 13:57:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-25 13:57:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-12-25 13:57:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:57:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-12-25 13:57:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-12-25 13:57:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 13:57:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:57:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-12-25 13:57:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-12-25 13:57:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-25 13:57:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 890 [2023-12-25 13:57:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 910 [2023-12-25 13:57:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 930 [2023-12-25 13:57:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2023-12-25 13:57:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 958 [2023-12-25 13:57:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 971 [2023-12-25 13:57:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 983 [2023-12-25 13:57:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 996 [2023-12-25 13:57:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:46,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 305 proven. 1 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:57:46,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:57:46,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943759597] [2023-12-25 13:57:46,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943759597] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 13:57:46,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735175826] [2023-12-25 13:57:46,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:57:46,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 13:57:46,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 13:57:46,393 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 13:57:46,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-25 13:57:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:47,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 7758 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 13:57:47,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 13:57:48,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 503 proven. 0 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2023-12-25 13:57:48,330 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 13:57:48,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735175826] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:57:48,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 13:57:48,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2023-12-25 13:57:48,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492108205] [2023-12-25 13:57:48,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:57:48,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 13:57:48,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:57:48,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 13:57:48,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2023-12-25 13:57:48,333 INFO L87 Difference]: Start difference. First operand 4397 states and 6645 transitions. Second operand has 9 states, 8 states have (on average 112.75) internal successors, (902), 9 states have internal predecessors, (902), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-25 13:57:48,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:57:48,590 INFO L93 Difference]: Finished difference Result 6626 states and 10078 transitions. [2023-12-25 13:57:48,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 13:57:48,591 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 112.75) internal successors, (902), 9 states have internal predecessors, (902), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 1195 [2023-12-25 13:57:48,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:57:48,595 INFO L225 Difference]: With dead ends: 6626 [2023-12-25 13:57:48,595 INFO L226 Difference]: Without dead ends: 4397 [2023-12-25 13:57:48,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1246 GetRequests, 1228 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2023-12-25 13:57:48,597 INFO L413 NwaCegarLoop]: 1741 mSDtfsCounter, 3144 mSDsluCounter, 8665 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3154 SdHoareTripleChecker+Valid, 10406 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:57:48,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3154 Valid, 10406 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:57:48,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4397 states. [2023-12-25 13:57:48,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4397 to 4377. [2023-12-25 13:57:48,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4377 states, 4242 states have (on average 1.4966996699669968) internal successors, (6349), 4242 states have internal predecessors, (6349), 133 states have call successors, (133), 1 states have call predecessors, (133), 1 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2023-12-25 13:57:48,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4377 states to 4377 states and 6615 transitions. [2023-12-25 13:57:48,725 INFO L78 Accepts]: Start accepts. Automaton has 4377 states and 6615 transitions. Word has length 1195 [2023-12-25 13:57:48,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:57:48,726 INFO L495 AbstractCegarLoop]: Abstraction has 4377 states and 6615 transitions. [2023-12-25 13:57:48,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 112.75) internal successors, (902), 9 states have internal predecessors, (902), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-25 13:57:48,726 INFO L276 IsEmpty]: Start isEmpty. Operand 4377 states and 6615 transitions. [2023-12-25 13:57:48,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1197 [2023-12-25 13:57:48,738 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:57:48,738 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:57:48,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-25 13:57:48,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 13:57:48,950 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:57:48,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:57:48,950 INFO L85 PathProgramCache]: Analyzing trace with hash 995858100, now seen corresponding path program 1 times [2023-12-25 13:57:48,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:57:48,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476229112] [2023-12-25 13:57:48,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:57:48,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:58:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 13:58:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 13:58:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-25 13:58:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-12-25 13:58:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:58:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-12-25 13:58:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-12-25 13:58:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 13:58:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:58:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-12-25 13:58:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-12-25 13:58:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-25 13:58:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 890 [2023-12-25 13:58:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 910 [2023-12-25 13:58:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 930 [2023-12-25 13:58:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2023-12-25 13:58:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 958 [2023-12-25 13:58:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 972 [2023-12-25 13:58:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 984 [2023-12-25 13:58:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2023-12-25 13:58:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 305 proven. 1 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:58:12,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:58:12,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476229112] [2023-12-25 13:58:12,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476229112] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 13:58:12,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497466351] [2023-12-25 13:58:12,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:58:12,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 13:58:12,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 13:58:12,127 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 13:58:12,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-25 13:58:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:13,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 7760 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 13:58:13,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 13:58:13,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 526 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2023-12-25 13:58:13,960 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 13:58:13,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497466351] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:58:13,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 13:58:13,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2023-12-25 13:58:13,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030408227] [2023-12-25 13:58:13,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:58:13,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 13:58:13,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:58:13,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 13:58:13,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2023-12-25 13:58:13,962 INFO L87 Difference]: Start difference. First operand 4377 states and 6615 transitions. Second operand has 9 states, 8 states have (on average 113.625) internal successors, (909), 9 states have internal predecessors, (909), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-25 13:58:14,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:58:14,222 INFO L93 Difference]: Finished difference Result 6542 states and 9950 transitions. [2023-12-25 13:58:14,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 13:58:14,223 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 113.625) internal successors, (909), 9 states have internal predecessors, (909), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 1196 [2023-12-25 13:58:14,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:58:14,227 INFO L225 Difference]: With dead ends: 6542 [2023-12-25 13:58:14,227 INFO L226 Difference]: Without dead ends: 4377 [2023-12-25 13:58:14,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1247 GetRequests, 1229 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2023-12-25 13:58:14,229 INFO L413 NwaCegarLoop]: 1740 mSDtfsCounter, 3134 mSDsluCounter, 8648 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3144 SdHoareTripleChecker+Valid, 10388 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:58:14,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3144 Valid, 10388 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:58:14,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4377 states. [2023-12-25 13:58:14,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4377 to 4377. [2023-12-25 13:58:14,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4377 states, 4242 states have (on average 1.4952852428099952) internal successors, (6343), 4242 states have internal predecessors, (6343), 133 states have call successors, (133), 1 states have call predecessors, (133), 1 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2023-12-25 13:58:14,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4377 states to 4377 states and 6609 transitions. [2023-12-25 13:58:14,355 INFO L78 Accepts]: Start accepts. Automaton has 4377 states and 6609 transitions. Word has length 1196 [2023-12-25 13:58:14,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:58:14,355 INFO L495 AbstractCegarLoop]: Abstraction has 4377 states and 6609 transitions. [2023-12-25 13:58:14,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 113.625) internal successors, (909), 9 states have internal predecessors, (909), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-25 13:58:14,355 INFO L276 IsEmpty]: Start isEmpty. Operand 4377 states and 6609 transitions. [2023-12-25 13:58:14,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1199 [2023-12-25 13:58:14,366 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:58:14,366 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:58:14,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-25 13:58:14,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 13:58:14,577 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:58:14,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:58:14,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1671741010, now seen corresponding path program 1 times [2023-12-25 13:58:14,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:58:14,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063673825] [2023-12-25 13:58:14,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:58:14,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:58:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 13:58:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 13:58:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-25 13:58:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-12-25 13:58:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:58:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-12-25 13:58:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-12-25 13:58:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 13:58:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:58:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-12-25 13:58:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 861 [2023-12-25 13:58:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2023-12-25 13:58:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 891 [2023-12-25 13:58:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2023-12-25 13:58:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 931 [2023-12-25 13:58:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 948 [2023-12-25 13:58:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2023-12-25 13:58:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 973 [2023-12-25 13:58:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 986 [2023-12-25 13:58:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 999 [2023-12-25 13:58:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:33,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 962 trivial. 0 not checked. [2023-12-25 13:58:33,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:58:33,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063673825] [2023-12-25 13:58:33,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063673825] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:58:33,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:58:33,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 13:58:33,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345372780] [2023-12-25 13:58:33,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:58:33,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 13:58:33,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:58:33,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 13:58:33,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:58:33,877 INFO L87 Difference]: Start difference. First operand 4377 states and 6609 transitions. Second operand has 6 states, 6 states have (on average 150.66666666666666) internal successors, (904), 6 states have internal predecessors, (904), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-25 13:58:34,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:58:34,922 INFO L93 Difference]: Finished difference Result 6574 states and 9982 transitions. [2023-12-25 13:58:34,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:58:34,923 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 150.66666666666666) internal successors, (904), 6 states have internal predecessors, (904), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 1198 [2023-12-25 13:58:34,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:58:34,927 INFO L225 Difference]: With dead ends: 6574 [2023-12-25 13:58:34,927 INFO L226 Difference]: Without dead ends: 4401 [2023-12-25 13:58:34,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-12-25 13:58:34,930 INFO L413 NwaCegarLoop]: 1453 mSDtfsCounter, 2947 mSDsluCounter, 3335 mSDsCounter, 0 mSdLazyCounter, 1658 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2947 SdHoareTripleChecker+Valid, 4788 SdHoareTripleChecker+Invalid, 1671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 13:58:34,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2947 Valid, 4788 Invalid, 1671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1658 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 13:58:34,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4401 states. [2023-12-25 13:58:35,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4401 to 4395. [2023-12-25 13:58:35,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4395 states, 4260 states have (on average 1.4917840375586855) internal successors, (6355), 4260 states have internal predecessors, (6355), 133 states have call successors, (133), 1 states have call predecessors, (133), 1 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2023-12-25 13:58:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4395 states to 4395 states and 6621 transitions. [2023-12-25 13:58:35,141 INFO L78 Accepts]: Start accepts. Automaton has 4395 states and 6621 transitions. Word has length 1198 [2023-12-25 13:58:35,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:58:35,142 INFO L495 AbstractCegarLoop]: Abstraction has 4395 states and 6621 transitions. [2023-12-25 13:58:35,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 150.66666666666666) internal successors, (904), 6 states have internal predecessors, (904), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-25 13:58:35,142 INFO L276 IsEmpty]: Start isEmpty. Operand 4395 states and 6621 transitions. [2023-12-25 13:58:35,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1199 [2023-12-25 13:58:35,153 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:58:35,154 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:58:35,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2023-12-25 13:58:35,154 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:58:35,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:58:35,154 INFO L85 PathProgramCache]: Analyzing trace with hash 808222446, now seen corresponding path program 1 times [2023-12-25 13:58:35,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:58:35,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222635739] [2023-12-25 13:58:35,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:58:35,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:58:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 13:58:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 13:58:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-25 13:58:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-12-25 13:58:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:58:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-12-25 13:58:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-12-25 13:58:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 13:58:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:58:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-12-25 13:58:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 861 [2023-12-25 13:58:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2023-12-25 13:58:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 891 [2023-12-25 13:58:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2023-12-25 13:58:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 931 [2023-12-25 13:58:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 948 [2023-12-25 13:58:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2023-12-25 13:58:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 973 [2023-12-25 13:58:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 986 [2023-12-25 13:58:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 999 [2023-12-25 13:58:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:58,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 306 proven. 1 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 13:58:58,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:58:58,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222635739] [2023-12-25 13:58:58,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222635739] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 13:58:58,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811859818] [2023-12-25 13:58:58,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:58:58,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 13:58:58,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 13:58:58,717 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 13:58:58,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-25 13:59:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:00,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 7768 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 13:59:00,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 13:59:00,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 543 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2023-12-25 13:59:00,680 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 13:59:00,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811859818] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:59:00,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 13:59:00,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2023-12-25 13:59:00,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741644845] [2023-12-25 13:59:00,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:59:00,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 13:59:00,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:59:00,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 13:59:00,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2023-12-25 13:59:00,682 INFO L87 Difference]: Start difference. First operand 4395 states and 6621 transitions. Second operand has 9 states, 8 states have (on average 114.875) internal successors, (919), 9 states have internal predecessors, (919), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-25 13:59:00,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:59:00,943 INFO L93 Difference]: Finished difference Result 6522 states and 9891 transitions. [2023-12-25 13:59:00,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 13:59:00,944 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 114.875) internal successors, (919), 9 states have internal predecessors, (919), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 1198 [2023-12-25 13:59:00,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:59:00,948 INFO L225 Difference]: With dead ends: 6522 [2023-12-25 13:59:00,948 INFO L226 Difference]: Without dead ends: 4395 [2023-12-25 13:59:00,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1249 GetRequests, 1231 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2023-12-25 13:59:00,950 INFO L413 NwaCegarLoop]: 1738 mSDtfsCounter, 1614 mSDsluCounter, 8686 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1624 SdHoareTripleChecker+Valid, 10424 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:59:00,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1624 Valid, 10424 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:59:00,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4395 states. [2023-12-25 13:59:01,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4395 to 4380. [2023-12-25 13:59:01,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4380 states, 4245 states have (on average 1.4914016489988222) internal successors, (6331), 4245 states have internal predecessors, (6331), 133 states have call successors, (133), 1 states have call predecessors, (133), 1 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2023-12-25 13:59:01,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4380 states to 4380 states and 6597 transitions. [2023-12-25 13:59:01,085 INFO L78 Accepts]: Start accepts. Automaton has 4380 states and 6597 transitions. Word has length 1198 [2023-12-25 13:59:01,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:59:01,086 INFO L495 AbstractCegarLoop]: Abstraction has 4380 states and 6597 transitions. [2023-12-25 13:59:01,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 114.875) internal successors, (919), 9 states have internal predecessors, (919), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-25 13:59:01,086 INFO L276 IsEmpty]: Start isEmpty. Operand 4380 states and 6597 transitions. [2023-12-25 13:59:01,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1199 [2023-12-25 13:59:01,098 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:59:01,099 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:59:01,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-25 13:59:01,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 13:59:01,309 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:59:01,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:59:01,310 INFO L85 PathProgramCache]: Analyzing trace with hash 291560622, now seen corresponding path program 1 times [2023-12-25 13:59:01,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:59:01,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049250271] [2023-12-25 13:59:01,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:59:01,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:59:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 13:59:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 13:59:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-25 13:59:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-12-25 13:59:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:59:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-12-25 13:59:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-12-25 13:59:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 13:59:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:59:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-12-25 13:59:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 861 [2023-12-25 13:59:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2023-12-25 13:59:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 891 [2023-12-25 13:59:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2023-12-25 13:59:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 931 [2023-12-25 13:59:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 948 [2023-12-25 13:59:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2023-12-25 13:59:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 973 [2023-12-25 13:59:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 986 [2023-12-25 13:59:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 999 [2023-12-25 13:59:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:23,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2023-12-25 13:59:23,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:59:23,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049250271] [2023-12-25 13:59:23,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049250271] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:59:23,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:59:23,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 13:59:23,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172889218] [2023-12-25 13:59:23,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:59:23,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 13:59:23,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:59:23,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 13:59:23,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:59:23,150 INFO L87 Difference]: Start difference. First operand 4380 states and 6597 transitions. Second operand has 8 states, 8 states have (on average 113.375) internal successors, (907), 8 states have internal predecessors, (907), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-25 13:59:23,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:59:23,632 INFO L93 Difference]: Finished difference Result 11888 states and 18023 transitions. [2023-12-25 13:59:23,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 13:59:23,633 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 113.375) internal successors, (907), 8 states have internal predecessors, (907), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 1198 [2023-12-25 13:59:23,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:59:23,642 INFO L225 Difference]: With dead ends: 11888 [2023-12-25 13:59:23,642 INFO L226 Difference]: Without dead ends: 9756 [2023-12-25 13:59:23,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:59:23,645 INFO L413 NwaCegarLoop]: 3192 mSDtfsCounter, 5651 mSDsluCounter, 11008 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5666 SdHoareTripleChecker+Valid, 14200 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:59:23,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5666 Valid, 14200 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:59:23,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9756 states. [2023-12-25 13:59:23,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9756 to 5988. [2023-12-25 13:59:23,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5988 states, 5775 states have (on average 1.4806926406926406) internal successors, (8551), 5775 states have internal predecessors, (8551), 211 states have call successors, (211), 1 states have call predecessors, (211), 1 states have return successors, (211), 211 states have call predecessors, (211), 211 states have call successors, (211) [2023-12-25 13:59:23,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5988 states to 5988 states and 8973 transitions. [2023-12-25 13:59:23,854 INFO L78 Accepts]: Start accepts. Automaton has 5988 states and 8973 transitions. Word has length 1198 [2023-12-25 13:59:23,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:59:23,854 INFO L495 AbstractCegarLoop]: Abstraction has 5988 states and 8973 transitions. [2023-12-25 13:59:23,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 113.375) internal successors, (907), 8 states have internal predecessors, (907), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-25 13:59:23,854 INFO L276 IsEmpty]: Start isEmpty. Operand 5988 states and 8973 transitions. [2023-12-25 13:59:23,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1200 [2023-12-25 13:59:23,867 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:59:23,867 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:59:23,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2023-12-25 13:59:23,867 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:59:23,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:59:23,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1970734654, now seen corresponding path program 1 times [2023-12-25 13:59:23,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:59:23,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633640832] [2023-12-25 13:59:23,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:59:23,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:59:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 13:59:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 13:59:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-25 13:59:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-12-25 13:59:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:59:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-12-25 13:59:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-12-25 13:59:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 13:59:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 13:59:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-12-25 13:59:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2023-12-25 13:59:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 877 [2023-12-25 13:59:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 892 [2023-12-25 13:59:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2023-12-25 13:59:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2023-12-25 13:59:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 949 [2023-12-25 13:59:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2023-12-25 13:59:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 13:59:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 987 [2023-12-25 13:59:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1000 [2023-12-25 13:59:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:46,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 953 trivial. 0 not checked. [2023-12-25 13:59:46,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:59:46,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633640832] [2023-12-25 13:59:46,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633640832] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:59:46,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:59:46,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 13:59:46,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200467606] [2023-12-25 13:59:46,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:59:46,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 13:59:46,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:59:46,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 13:59:46,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:59:46,032 INFO L87 Difference]: Start difference. First operand 5988 states and 8973 transitions. Second operand has 6 states, 6 states have (on average 152.16666666666666) internal successors, (913), 6 states have internal predecessors, (913), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-25 13:59:47,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:59:47,191 INFO L93 Difference]: Finished difference Result 8126 states and 12255 transitions. [2023-12-25 13:59:47,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:59:47,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 152.16666666666666) internal successors, (913), 6 states have internal predecessors, (913), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 1199 [2023-12-25 13:59:47,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:59:47,197 INFO L225 Difference]: With dead ends: 8126 [2023-12-25 13:59:47,197 INFO L226 Difference]: Without dead ends: 6000 [2023-12-25 13:59:47,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-12-25 13:59:47,200 INFO L413 NwaCegarLoop]: 1464 mSDtfsCounter, 2934 mSDsluCounter, 3367 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2934 SdHoareTripleChecker+Valid, 4831 SdHoareTripleChecker+Invalid, 1686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 13:59:47,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2934 Valid, 4831 Invalid, 1686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 13:59:47,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6000 states. [2023-12-25 13:59:47,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6000 to 5997. [2023-12-25 13:59:47,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5997 states, 5784 states have (on average 1.4794260027662518) internal successors, (8557), 5784 states have internal predecessors, (8557), 211 states have call successors, (211), 1 states have call predecessors, (211), 1 states have return successors, (211), 211 states have call predecessors, (211), 211 states have call successors, (211) [2023-12-25 13:59:47,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5997 states to 5997 states and 8979 transitions. [2023-12-25 13:59:47,388 INFO L78 Accepts]: Start accepts. Automaton has 5997 states and 8979 transitions. Word has length 1199 [2023-12-25 13:59:47,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:59:47,388 INFO L495 AbstractCegarLoop]: Abstraction has 5997 states and 8979 transitions. [2023-12-25 13:59:47,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 152.16666666666666) internal successors, (913), 6 states have internal predecessors, (913), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-25 13:59:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 5997 states and 8979 transitions. [2023-12-25 13:59:47,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1200 [2023-12-25 13:59:47,401 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:59:47,401 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:59:47,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2023-12-25 13:59:47,401 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:59:47,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:59:47,402 INFO L85 PathProgramCache]: Analyzing trace with hash 557659266, now seen corresponding path program 1 times [2023-12-25 13:59:47,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:59:47,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25470960] [2023-12-25 13:59:47,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:59:47,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:00:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:00:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 14:00:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-25 14:00:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-12-25 14:00:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:00:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-12-25 14:00:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-12-25 14:00:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:00:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 14:00:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-12-25 14:00:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2023-12-25 14:00:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 877 [2023-12-25 14:00:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 892 [2023-12-25 14:00:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2023-12-25 14:00:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2023-12-25 14:00:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 949 [2023-12-25 14:00:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2023-12-25 14:00:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 14:00:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 987 [2023-12-25 14:00:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1000 [2023-12-25 14:00:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:12,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 306 proven. 1 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 14:00:12,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:00:12,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25470960] [2023-12-25 14:00:12,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25470960] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 14:00:12,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794435978] [2023-12-25 14:00:12,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:00:12,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:00:12,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 14:00:12,647 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 14:00:12,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-25 14:00:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:14,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 7772 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-25 14:00:14,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 14:00:14,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 543 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2023-12-25 14:00:14,935 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 14:00:14,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794435978] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:00:14,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 14:00:14,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2023-12-25 14:00:14,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491646850] [2023-12-25 14:00:14,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:00:14,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:00:14,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:00:14,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:00:14,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-12-25 14:00:14,937 INFO L87 Difference]: Start difference. First operand 5997 states and 8979 transitions. Second operand has 4 states, 4 states have (on average 236.0) internal successors, (944), 4 states have internal predecessors, (944), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 14:00:15,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:00:15,223 INFO L93 Difference]: Finished difference Result 8044 states and 12122 transitions. [2023-12-25 14:00:15,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:00:15,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 236.0) internal successors, (944), 4 states have internal predecessors, (944), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1199 [2023-12-25 14:00:15,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:00:15,230 INFO L225 Difference]: With dead ends: 8044 [2023-12-25 14:00:15,230 INFO L226 Difference]: Without dead ends: 5997 [2023-12-25 14:00:15,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1247 GetRequests, 1237 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-12-25 14:00:15,233 INFO L413 NwaCegarLoop]: 1713 mSDtfsCounter, 1479 mSDsluCounter, 1715 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1479 SdHoareTripleChecker+Valid, 3428 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:00:15,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1479 Valid, 3428 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:00:15,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5997 states. [2023-12-25 14:00:15,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5997 to 5997. [2023-12-25 14:00:15,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5997 states, 5784 states have (on average 1.4789073305670817) internal successors, (8554), 5784 states have internal predecessors, (8554), 211 states have call successors, (211), 1 states have call predecessors, (211), 1 states have return successors, (211), 211 states have call predecessors, (211), 211 states have call successors, (211) [2023-12-25 14:00:15,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5997 states to 5997 states and 8976 transitions. [2023-12-25 14:00:15,439 INFO L78 Accepts]: Start accepts. Automaton has 5997 states and 8976 transitions. Word has length 1199 [2023-12-25 14:00:15,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:00:15,440 INFO L495 AbstractCegarLoop]: Abstraction has 5997 states and 8976 transitions. [2023-12-25 14:00:15,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 236.0) internal successors, (944), 4 states have internal predecessors, (944), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-25 14:00:15,440 INFO L276 IsEmpty]: Start isEmpty. Operand 5997 states and 8976 transitions. [2023-12-25 14:00:15,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1200 [2023-12-25 14:00:15,454 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:00:15,454 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:00:15,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-25 14:00:15,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2023-12-25 14:00:15,661 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:00:15,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:00:15,662 INFO L85 PathProgramCache]: Analyzing trace with hash -2118203582, now seen corresponding path program 1 times [2023-12-25 14:00:15,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:00:15,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061499725] [2023-12-25 14:00:15,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:00:15,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:00:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:00:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 14:00:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-25 14:00:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-12-25 14:00:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:00:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-12-25 14:00:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-12-25 14:00:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:00:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 14:00:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-12-25 14:00:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2023-12-25 14:00:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 877 [2023-12-25 14:00:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 892 [2023-12-25 14:00:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2023-12-25 14:00:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2023-12-25 14:00:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 949 [2023-12-25 14:00:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2023-12-25 14:00:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-12-25 14:00:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 987 [2023-12-25 14:00:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1000 [2023-12-25 14:00:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 306 proven. 1 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-25 14:00:39,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:00:39,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061499725] [2023-12-25 14:00:39,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061499725] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 14:00:39,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910940276] [2023-12-25 14:00:39,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:00:39,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:00:39,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 14:00:39,857 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 14:00:39,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-25 14:00:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 7770 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-25 14:00:41,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 14:00:42,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1054 trivial. 0 not checked. [2023-12-25 14:00:42,257 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 14:00:42,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910940276] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:00:42,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 14:00:42,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2023-12-25 14:00:42,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425360870] [2023-12-25 14:00:42,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:00:42,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 14:00:42,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:00:42,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 14:00:42,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-12-25 14:00:42,259 INFO L87 Difference]: Start difference. First operand 5997 states and 8976 transitions. Second operand has 6 states, 6 states have (on average 137.66666666666666) internal successors, (826), 5 states have internal predecessors, (826), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 14:00:43,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:00:43,173 INFO L93 Difference]: Finished difference Result 11274 states and 16754 transitions. [2023-12-25 14:00:43,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 14:00:43,173 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 137.66666666666666) internal successors, (826), 5 states have internal predecessors, (826), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 1199 [2023-12-25 14:00:43,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:00:43,179 INFO L225 Difference]: With dead ends: 11274 [2023-12-25 14:00:43,180 INFO L226 Difference]: Without dead ends: 6069 [2023-12-25 14:00:43,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1248 GetRequests, 1235 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2023-12-25 14:00:43,184 INFO L413 NwaCegarLoop]: 1334 mSDtfsCounter, 1623 mSDsluCounter, 2971 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1633 SdHoareTripleChecker+Valid, 4305 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:00:43,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1633 Valid, 4305 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1383 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 14:00:43,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6069 states. [2023-12-25 14:00:43,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6069 to 6051. [2023-12-25 14:00:43,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6051 states, 5838 states have (on average 1.4713943131209317) internal successors, (8590), 5838 states have internal predecessors, (8590), 211 states have call successors, (211), 1 states have call predecessors, (211), 1 states have return successors, (211), 211 states have call predecessors, (211), 211 states have call successors, (211) [2023-12-25 14:00:43,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6051 states to 6051 states and 9012 transitions. [2023-12-25 14:00:43,378 INFO L78 Accepts]: Start accepts. Automaton has 6051 states and 9012 transitions. Word has length 1199 [2023-12-25 14:00:43,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:00:43,378 INFO L495 AbstractCegarLoop]: Abstraction has 6051 states and 9012 transitions. [2023-12-25 14:00:43,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 137.66666666666666) internal successors, (826), 5 states have internal predecessors, (826), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-25 14:00:43,379 INFO L276 IsEmpty]: Start isEmpty. Operand 6051 states and 9012 transitions. [2023-12-25 14:00:43,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1200 [2023-12-25 14:00:43,391 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:00:43,392 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:00:43,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-25 14:00:43,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2023-12-25 14:00:43,613 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:00:43,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:00:43,613 INFO L85 PathProgramCache]: Analyzing trace with hash -489440638, now seen corresponding path program 1 times [2023-12-25 14:00:43,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:00:43,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998213883] [2023-12-25 14:00:43,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:00:43,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:01:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-12-25 14:01:05,572 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-25 14:01:05,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2023-12-25 14:01:05,584 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Termination requested (timeout or resource limit) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:152) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:260) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:237) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:869) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:793) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:416) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-25 14:01:05,587 INFO L158 Benchmark]: Toolchain (without parser) took 833641.90ms. Allocated memory was 324.0MB in the beginning and 2.3GB in the end (delta: 2.0GB). Free memory was 279.0MB in the beginning and 880.3MB in the end (delta: -601.2MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-12-25 14:01:05,587 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 202.4MB. Free memory is still 151.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 14:01:05,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 749.85ms. Allocated memory is still 324.0MB. Free memory was 279.0MB in the beginning and 255.2MB in the end (delta: 23.8MB). Peak memory consumption was 93.4MB. Max. memory is 8.0GB. [2023-12-25 14:01:05,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 415.37ms. Allocated memory is still 324.0MB. Free memory was 254.7MB in the beginning and 172.8MB in the end (delta: 81.9MB). Peak memory consumption was 82.9MB. Max. memory is 8.0GB. [2023-12-25 14:01:05,588 INFO L158 Benchmark]: Boogie Preprocessor took 653.65ms. Allocated memory was 324.0MB in the beginning and 648.0MB in the end (delta: 324.0MB). Free memory was 172.8MB in the beginning and 490.1MB in the end (delta: -317.2MB). Peak memory consumption was 72.9MB. Max. memory is 8.0GB. [2023-12-25 14:01:05,588 INFO L158 Benchmark]: RCFGBuilder took 2755.53ms. Allocated memory was 648.0MB in the beginning and 979.4MB in the end (delta: 331.4MB). Free memory was 490.1MB in the beginning and 653.8MB in the end (delta: -163.7MB). Peak memory consumption was 170.2MB. Max. memory is 8.0GB. [2023-12-25 14:01:05,588 INFO L158 Benchmark]: TraceAbstraction took 829062.66ms. Allocated memory was 979.4MB in the beginning and 2.3GB in the end (delta: 1.3GB). Free memory was 653.2MB in the beginning and 880.3MB in the end (delta: -227.0MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-12-25 14:01:05,588 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 202.4MB. Free memory is still 151.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 749.85ms. Allocated memory is still 324.0MB. Free memory was 279.0MB in the beginning and 255.2MB in the end (delta: 23.8MB). Peak memory consumption was 93.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 415.37ms. Allocated memory is still 324.0MB. Free memory was 254.7MB in the beginning and 172.8MB in the end (delta: 81.9MB). Peak memory consumption was 82.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 653.65ms. Allocated memory was 324.0MB in the beginning and 648.0MB in the end (delta: 324.0MB). Free memory was 172.8MB in the beginning and 490.1MB in the end (delta: -317.2MB). Peak memory consumption was 72.9MB. Max. memory is 8.0GB. * RCFGBuilder took 2755.53ms. Allocated memory was 648.0MB in the beginning and 979.4MB in the end (delta: 331.4MB). Free memory was 490.1MB in the beginning and 653.8MB in the end (delta: -163.7MB). Peak memory consumption was 170.2MB. Max. memory is 8.0GB. * TraceAbstraction took 829062.66ms. Allocated memory was 979.4MB in the beginning and 2.3GB in the end (delta: 1.3GB). Free memory was 653.2MB in the beginning and 880.3MB in the end (delta: -227.0MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Termination requested (timeout or resource limit) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Termination requested (timeout or resource limit): de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:275) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown