/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_n5_w8_d8_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 14:12:20,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 14:12:20,893 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-25 14:12:20,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 14:12:20,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 14:12:20,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 14:12:20,930 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 14:12:20,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 14:12:20,931 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 14:12:20,932 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 14:12:20,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 14:12:20,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 14:12:20,933 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 14:12:20,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 14:12:20,933 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 14:12:20,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 14:12:20,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 14:12:20,934 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-25 14:12:20,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 14:12:20,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 14:12:20,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 14:12:20,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 14:12:20,938 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 14:12:20,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 14:12:20,939 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 14:12:20,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 14:12:20,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 14:12:20,940 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 14:12:20,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 14:12:20,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 14:12:20,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 14:12:20,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 14:12:20,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 14:12:20,941 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-25 14:12:20,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-25 14:12:20,942 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 14:12:20,942 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 14:12:20,943 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 14:12:20,943 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 14:12:20,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 14:12:20,943 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-25 14:12:21,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 14:12:21,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 14:12:21,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 14:12:21,197 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 14:12:21,197 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 14:12:21,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w8_d8_e0.c [2023-12-25 14:12:22,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 14:12:22,636 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 14:12:22,637 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w8_d8_e0.c [2023-12-25 14:12:22,651 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa53b8093/92de6d96514a454bbe6022eacb8bba56/FLAG014cbcbd4 [2023-12-25 14:12:22,663 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa53b8093/92de6d96514a454bbe6022eacb8bba56 [2023-12-25 14:12:22,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 14:12:22,668 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 14:12:22,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 14:12:22,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 14:12:22,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 14:12:22,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 02:12:22" (1/1) ... [2023-12-25 14:12:22,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6161bbf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:12:22, skipping insertion in model container [2023-12-25 14:12:22,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 02:12:22" (1/1) ... [2023-12-25 14:12:22,727 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 14:12:22,838 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_n5_w8_d8_e0.c[1269,1282] [2023-12-25 14:12:23,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 14:12:23,189 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 14:12:23,199 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_n5_w8_d8_e0.c[1269,1282] [2023-12-25 14:12:23,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 14:12:23,356 INFO L206 MainTranslator]: Completed translation [2023-12-25 14:12:23,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:12:23 WrapperNode [2023-12-25 14:12:23,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 14:12:23,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 14:12:23,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 14:12:23,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 14:12:23,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:12:23" (1/1) ... [2023-12-25 14:12:23,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:12:23" (1/1) ... [2023-12-25 14:12:23,973 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6690 [2023-12-25 14:12:23,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 14:12:23,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 14:12:23,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 14:12:23,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 14:12:23,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:12:23" (1/1) ... [2023-12-25 14:12:23,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:12:23" (1/1) ... [2023-12-25 14:12:24,109 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:12:23" (1/1) ... [2023-12-25 14:12:24,305 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-25 14:12:24,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:12:23" (1/1) ... [2023-12-25 14:12:24,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:12:23" (1/1) ... [2023-12-25 14:12:24,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:12:23" (1/1) ... [2023-12-25 14:12:24,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:12:23" (1/1) ... [2023-12-25 14:12:24,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:12:23" (1/1) ... [2023-12-25 14:12:24,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:12:23" (1/1) ... [2023-12-25 14:12:24,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 14:12:24,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 14:12:24,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 14:12:24,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 14:12:24,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:12:23" (1/1) ... [2023-12-25 14:12:24,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 14:12:24,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 14:12:24,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-25 14:12:24,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-25 14:12:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 14:12:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-25 14:12:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-25 14:12:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-25 14:12:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 14:12:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 14:12:25,126 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 14:12:25,127 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 14:12:27,535 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 14:12:27,650 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 14:12:27,651 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-25 14:12:27,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 02:12:27 BoogieIcfgContainer [2023-12-25 14:12:27,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 14:12:27,654 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 14:12:27,654 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 14:12:27,656 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 14:12:27,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 02:12:22" (1/3) ... [2023-12-25 14:12:27,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52395026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 02:12:27, skipping insertion in model container [2023-12-25 14:12:27,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 02:12:23" (2/3) ... [2023-12-25 14:12:27,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52395026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 02:12:27, skipping insertion in model container [2023-12-25 14:12:27,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 02:12:27" (3/3) ... [2023-12-25 14:12:27,658 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n5_w8_d8_e0.c [2023-12-25 14:12:27,670 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 14:12:27,670 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 14:12:27,708 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 14:12:27,713 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;@54a678b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 14:12:27,713 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 14:12:27,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 1310 states, 1291 states have (on average 1.6576297443841983) internal successors, (2140), 1292 states have internal predecessors, (2140), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:27,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2023-12-25 14:12:27,740 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:27,740 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:27,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:27,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:27,744 INFO L85 PathProgramCache]: Analyzing trace with hash -24011483, now seen corresponding path program 1 times [2023-12-25 14:12:27,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:27,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942357529] [2023-12-25 14:12:27,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:27,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:28,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:28,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:28,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:28,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:28,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:28,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-12-25 14:12:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:28,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 14:12:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:28,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-25 14:12:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:28,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:12:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:28,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-12-25 14:12:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:28,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 14:12:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:28,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-12-25 14:12:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:28,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-12-25 14:12:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:28,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2023-12-25 14:12:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:28,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-12-25 14:12:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:28,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2023-12-25 14:12:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:28,346 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:28,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:28,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942357529] [2023-12-25 14:12:28,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942357529] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:28,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:28,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 14:12:28,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908482403] [2023-12-25 14:12:28,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:28,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 14:12:28,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:28,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 14:12:28,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 14:12:28,387 INFO L87 Difference]: Start difference. First operand has 1310 states, 1291 states have (on average 1.6576297443841983) internal successors, (2140), 1292 states have internal predecessors, (2140), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 255.5) internal successors, (511), 2 states have internal predecessors, (511), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-25 14:12:28,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:28,471 INFO L93 Difference]: Finished difference Result 2422 states and 4033 transitions. [2023-12-25 14:12:28,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 14:12:28,473 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 255.5) internal successors, (511), 2 states have internal predecessors, (511), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 588 [2023-12-25 14:12:28,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:28,489 INFO L225 Difference]: With dead ends: 2422 [2023-12-25 14:12:28,490 INFO L226 Difference]: Without dead ends: 1308 [2023-12-25 14:12:28,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 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 14:12:28,500 INFO L413 NwaCegarLoop]: 2166 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, 2166 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 14:12:28,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2166 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 14:12:28,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2023-12-25 14:12:28,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1308. [2023-12-25 14:12:28,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1308 states, 1290 states have (on average 1.6550387596899225) internal successors, (2135), 1290 states have internal predecessors, (2135), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:28,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 2167 transitions. [2023-12-25 14:12:28,579 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 2167 transitions. Word has length 588 [2023-12-25 14:12:28,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:28,581 INFO L495 AbstractCegarLoop]: Abstraction has 1308 states and 2167 transitions. [2023-12-25 14:12:28,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 255.5) internal successors, (511), 2 states have internal predecessors, (511), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-25 14:12:28,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 2167 transitions. [2023-12-25 14:12:28,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2023-12-25 14:12:28,592 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:28,592 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:28,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-25 14:12:28,592 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:28,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:28,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1471000059, now seen corresponding path program 1 times [2023-12-25 14:12:28,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:28,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223561954] [2023-12-25 14:12:28,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:28,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:30,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:30,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:30,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:30,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:30,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-12-25 14:12:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:30,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 14:12:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:30,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-25 14:12:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:30,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:12:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:30,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-12-25 14:12:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 14:12:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:30,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-12-25 14:12:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:30,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-12-25 14:12:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:30,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2023-12-25 14:12:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:30,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-12-25 14:12:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:30,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2023-12-25 14:12:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:30,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:30,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223561954] [2023-12-25 14:12:30,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223561954] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:30,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:30,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:12:30,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587849669] [2023-12-25 14:12:30,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:30,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:12:30,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:30,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:12:30,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:12:30,639 INFO L87 Difference]: Start difference. First operand 1308 states and 2167 transitions. Second operand has 4 states, 4 states have (on average 127.75) internal successors, (511), 4 states have internal predecessors, (511), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-25 14:12:30,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:30,695 INFO L93 Difference]: Finished difference Result 1312 states and 2171 transitions. [2023-12-25 14:12:30,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:30,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 127.75) internal successors, (511), 4 states have internal predecessors, (511), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 588 [2023-12-25 14:12:30,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:30,704 INFO L225 Difference]: With dead ends: 1312 [2023-12-25 14:12:30,704 INFO L226 Difference]: Without dead ends: 1310 [2023-12-25 14:12:30,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:12:30,705 INFO L413 NwaCegarLoop]: 2164 mSDtfsCounter, 1 mSDsluCounter, 4323 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6487 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:30,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6487 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 14:12:30,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2023-12-25 14:12:30,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1310. [2023-12-25 14:12:30,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1310 states, 1292 states have (on average 1.6540247678018576) internal successors, (2137), 1292 states have internal predecessors, (2137), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:30,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 2169 transitions. [2023-12-25 14:12:30,726 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 2169 transitions. Word has length 588 [2023-12-25 14:12:30,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:30,727 INFO L495 AbstractCegarLoop]: Abstraction has 1310 states and 2169 transitions. [2023-12-25 14:12:30,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 127.75) internal successors, (511), 4 states have internal predecessors, (511), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-25 14:12:30,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 2169 transitions. [2023-12-25 14:12:30,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2023-12-25 14:12:30,734 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:30,734 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:30,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-25 14:12:30,734 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:30,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:30,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1645366335, now seen corresponding path program 1 times [2023-12-25 14:12:30,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:30,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517795184] [2023-12-25 14:12:30,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:30,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:31,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:31,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:31,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:31,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:31,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:31,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-12-25 14:12:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:31,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 14:12:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:31,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-25 14:12:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:31,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:12:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:31,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-12-25 14:12:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:31,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 14:12:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:31,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-12-25 14:12:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:31,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-12-25 14:12:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:31,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2023-12-25 14:12:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:31,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-12-25 14:12:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:31,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2023-12-25 14:12:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:31,785 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:31,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:31,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517795184] [2023-12-25 14:12:31,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517795184] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:31,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:31,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:12:31,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394921366] [2023-12-25 14:12:31,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:31,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:12:31,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:31,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:12:31,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:31,790 INFO L87 Difference]: Start difference. First operand 1310 states and 2169 transitions. Second operand has 5 states, 5 states have (on average 102.4) internal successors, (512), 5 states have internal predecessors, (512), 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 14:12:32,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:32,851 INFO L93 Difference]: Finished difference Result 3400 states and 5588 transitions. [2023-12-25 14:12:32,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 14:12:32,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 102.4) internal successors, (512), 5 states have internal predecessors, (512), 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 589 [2023-12-25 14:12:32,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:32,856 INFO L225 Difference]: With dead ends: 3400 [2023-12-25 14:12:32,856 INFO L226 Difference]: Without dead ends: 1310 [2023-12-25 14:12:32,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-25 14:12:32,862 INFO L413 NwaCegarLoop]: 2228 mSDtfsCounter, 4246 mSDsluCounter, 3874 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4253 SdHoareTripleChecker+Valid, 6102 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:32,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4253 Valid, 6102 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 14:12:32,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2023-12-25 14:12:32,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1310. [2023-12-25 14:12:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1310 states, 1292 states have (on average 1.653250773993808) internal successors, (2136), 1292 states have internal predecessors, (2136), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:32,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 2168 transitions. [2023-12-25 14:12:32,887 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 2168 transitions. Word has length 589 [2023-12-25 14:12:32,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:32,887 INFO L495 AbstractCegarLoop]: Abstraction has 1310 states and 2168 transitions. [2023-12-25 14:12:32,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 102.4) internal successors, (512), 5 states have internal predecessors, (512), 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 14:12:32,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 2168 transitions. [2023-12-25 14:12:32,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2023-12-25 14:12:32,905 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:32,906 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:32,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-25 14:12:32,921 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:32,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:32,922 INFO L85 PathProgramCache]: Analyzing trace with hash 912975005, now seen corresponding path program 1 times [2023-12-25 14:12:32,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:32,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331401341] [2023-12-25 14:12:32,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:32,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:33,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:33,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:33,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:33,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:33,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:33,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-12-25 14:12:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:33,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 14:12:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:33,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-25 14:12:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:33,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:12:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:33,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-12-25 14:12:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:33,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-12-25 14:12:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:33,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-12-25 14:12:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:33,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-12-25 14:12:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:33,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-12-25 14:12:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:33,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-12-25 14:12:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:33,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-12-25 14:12:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:33,889 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:33,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:33,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331401341] [2023-12-25 14:12:33,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331401341] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:33,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:33,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:12:33,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005904294] [2023-12-25 14:12:33,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:33,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:12:33,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:33,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:12:33,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:33,892 INFO L87 Difference]: Start difference. First operand 1310 states and 2168 transitions. Second operand has 5 states, 5 states have (on average 102.6) internal successors, (513), 5 states have internal predecessors, (513), 2 states have call successors, (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 14:12:34,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:34,709 INFO L93 Difference]: Finished difference Result 2424 states and 4010 transitions. [2023-12-25 14:12:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:34,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 102.6) internal successors, (513), 5 states have internal predecessors, (513), 2 states have call successors, (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 590 [2023-12-25 14:12:34,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:34,714 INFO L225 Difference]: With dead ends: 2424 [2023-12-25 14:12:34,714 INFO L226 Difference]: Without dead ends: 1310 [2023-12-25 14:12:34,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:12:34,716 INFO L413 NwaCegarLoop]: 1604 mSDtfsCounter, 2061 mSDsluCounter, 1625 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2070 SdHoareTripleChecker+Valid, 3229 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:34,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2070 Valid, 3229 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1135 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 14:12:34,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2023-12-25 14:12:34,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1310. [2023-12-25 14:12:34,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1310 states, 1292 states have (on average 1.6524767801857585) internal successors, (2135), 1292 states have internal predecessors, (2135), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:34,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 2167 transitions. [2023-12-25 14:12:34,732 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 2167 transitions. Word has length 590 [2023-12-25 14:12:34,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:34,733 INFO L495 AbstractCegarLoop]: Abstraction has 1310 states and 2167 transitions. [2023-12-25 14:12:34,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 102.6) internal successors, (513), 5 states have internal predecessors, (513), 2 states have call successors, (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 14:12:34,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 2167 transitions. [2023-12-25 14:12:34,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2023-12-25 14:12:34,740 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:34,740 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:34,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-25 14:12:34,740 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:34,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:34,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1637603817, now seen corresponding path program 1 times [2023-12-25 14:12:34,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:34,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869156447] [2023-12-25 14:12:34,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:34,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:35,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:35,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:35,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:35,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:35,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:35,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-12-25 14:12:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:35,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 14:12:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:35,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-25 14:12:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:35,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:12:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-12-25 14:12:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:35,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-12-25 14:12:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:35,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-12-25 14:12:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:35,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-12-25 14:12:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:35,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-12-25 14:12:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-12-25 14:12:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:35,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-12-25 14:12:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:35,769 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:35,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:35,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869156447] [2023-12-25 14:12:35,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869156447] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:35,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:35,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:12:35,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369861478] [2023-12-25 14:12:35,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:35,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:12:35,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:35,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:12:35,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:35,773 INFO L87 Difference]: Start difference. First operand 1310 states and 2167 transitions. Second operand has 5 states, 5 states have (on average 102.8) internal successors, (514), 5 states have internal predecessors, (514), 2 states have call successors, (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 14:12:36,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:36,667 INFO L93 Difference]: Finished difference Result 2424 states and 4008 transitions. [2023-12-25 14:12:36,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:36,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 102.8) internal successors, (514), 5 states have internal predecessors, (514), 2 states have call successors, (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 591 [2023-12-25 14:12:36,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:36,677 INFO L225 Difference]: With dead ends: 2424 [2023-12-25 14:12:36,677 INFO L226 Difference]: Without dead ends: 1310 [2023-12-25 14:12:36,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:12:36,680 INFO L413 NwaCegarLoop]: 1604 mSDtfsCounter, 2021 mSDsluCounter, 1625 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2030 SdHoareTripleChecker+Valid, 3229 SdHoareTripleChecker+Invalid, 1134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:36,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2030 Valid, 3229 Invalid, 1134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 14:12:36,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2023-12-25 14:12:36,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1310. [2023-12-25 14:12:36,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1310 states, 1292 states have (on average 1.651702786377709) internal successors, (2134), 1292 states have internal predecessors, (2134), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 2166 transitions. [2023-12-25 14:12:36,714 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 2166 transitions. Word has length 591 [2023-12-25 14:12:36,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:36,714 INFO L495 AbstractCegarLoop]: Abstraction has 1310 states and 2166 transitions. [2023-12-25 14:12:36,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 102.8) internal successors, (514), 5 states have internal predecessors, (514), 2 states have call successors, (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 14:12:36,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 2166 transitions. [2023-12-25 14:12:36,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2023-12-25 14:12:36,723 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:36,723 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:36,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-25 14:12:36,723 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:36,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:36,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1213729969, now seen corresponding path program 1 times [2023-12-25 14:12:36,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:36,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850900118] [2023-12-25 14:12:36,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:36,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:37,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:37,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:37,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:37,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:37,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:37,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-12-25 14:12:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:37,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 14:12:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:37,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-25 14:12:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:37,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:12:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:37,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-12-25 14:12:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:37,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-12-25 14:12:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:37,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-12-25 14:12:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:37,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-12-25 14:12:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:37,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-12-25 14:12:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:37,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-12-25 14:12:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:37,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-12-25 14:12:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:37,841 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:37,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:37,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850900118] [2023-12-25 14:12:37,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850900118] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:37,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:37,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:12:37,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971296646] [2023-12-25 14:12:37,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:37,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:12:37,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:37,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:12:37,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:37,844 INFO L87 Difference]: Start difference. First operand 1310 states and 2166 transitions. Second operand has 5 states, 5 states have (on average 103.0) internal successors, (515), 5 states have internal predecessors, (515), 2 states have call successors, (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 14:12:38,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:38,572 INFO L93 Difference]: Finished difference Result 2424 states and 4006 transitions. [2023-12-25 14:12:38,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:38,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 103.0) internal successors, (515), 5 states have internal predecessors, (515), 2 states have call successors, (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 592 [2023-12-25 14:12:38,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:38,578 INFO L225 Difference]: With dead ends: 2424 [2023-12-25 14:12:38,578 INFO L226 Difference]: Without dead ends: 1310 [2023-12-25 14:12:38,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:12:38,581 INFO L413 NwaCegarLoop]: 1604 mSDtfsCounter, 3729 mSDsluCounter, 1606 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3738 SdHoareTripleChecker+Valid, 3210 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:38,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3738 Valid, 3210 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1131 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 14:12:38,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2023-12-25 14:12:38,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1310. [2023-12-25 14:12:38,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1310 states, 1292 states have (on average 1.6509287925696594) internal successors, (2133), 1292 states have internal predecessors, (2133), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:38,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 2165 transitions. [2023-12-25 14:12:38,601 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 2165 transitions. Word has length 592 [2023-12-25 14:12:38,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:38,602 INFO L495 AbstractCegarLoop]: Abstraction has 1310 states and 2165 transitions. [2023-12-25 14:12:38,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 103.0) internal successors, (515), 5 states have internal predecessors, (515), 2 states have call successors, (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 14:12:38,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 2165 transitions. [2023-12-25 14:12:38,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 594 [2023-12-25 14:12:38,606 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:38,607 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:38,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-25 14:12:38,607 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:38,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:38,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1042324743, now seen corresponding path program 1 times [2023-12-25 14:12:38,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:38,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442832446] [2023-12-25 14:12:38,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:38,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:39,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:39,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:39,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:39,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-12-25 14:12:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:39,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 14:12:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:39,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-25 14:12:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:12:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:39,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-12-25 14:12:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:39,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-12-25 14:12:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:39,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-12-25 14:12:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:39,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-12-25 14:12:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:39,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-12-25 14:12:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:39,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-12-25 14:12:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:39,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-12-25 14:12:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:39,445 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:39,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:39,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442832446] [2023-12-25 14:12:39,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442832446] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:39,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:39,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:12:39,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873061084] [2023-12-25 14:12:39,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:39,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:12:39,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:39,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:12:39,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:39,448 INFO L87 Difference]: Start difference. First operand 1310 states and 2165 transitions. Second operand has 5 states, 5 states have (on average 103.2) internal successors, (516), 5 states have internal predecessors, (516), 2 states have call successors, (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 14:12:40,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:40,147 INFO L93 Difference]: Finished difference Result 2424 states and 4004 transitions. [2023-12-25 14:12:40,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:40,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 103.2) internal successors, (516), 5 states have internal predecessors, (516), 2 states have call successors, (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 593 [2023-12-25 14:12:40,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:40,151 INFO L225 Difference]: With dead ends: 2424 [2023-12-25 14:12:40,151 INFO L226 Difference]: Without dead ends: 1310 [2023-12-25 14:12:40,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:12:40,153 INFO L413 NwaCegarLoop]: 1604 mSDtfsCounter, 1941 mSDsluCounter, 1625 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1950 SdHoareTripleChecker+Valid, 3229 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:40,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1950 Valid, 3229 Invalid, 1130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 14:12:40,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2023-12-25 14:12:40,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1310. [2023-12-25 14:12:40,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1310 states, 1292 states have (on average 1.6501547987616099) internal successors, (2132), 1292 states have internal predecessors, (2132), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:40,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 2164 transitions. [2023-12-25 14:12:40,174 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 2164 transitions. Word has length 593 [2023-12-25 14:12:40,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:40,174 INFO L495 AbstractCegarLoop]: Abstraction has 1310 states and 2164 transitions. [2023-12-25 14:12:40,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 103.2) internal successors, (516), 5 states have internal predecessors, (516), 2 states have call successors, (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 14:12:40,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 2164 transitions. [2023-12-25 14:12:40,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2023-12-25 14:12:40,178 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:40,178 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:40,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-25 14:12:40,178 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:40,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:40,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1600354627, now seen corresponding path program 1 times [2023-12-25 14:12:40,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:40,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808696128] [2023-12-25 14:12:40,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:40,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:41,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:41,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:41,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:41,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:41,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-12-25 14:12:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:41,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 14:12:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:41,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-25 14:12:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:41,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:12:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:41,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-12-25 14:12:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:41,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-12-25 14:12:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:41,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-12-25 14:12:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:41,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-12-25 14:12:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:41,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-12-25 14:12:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:41,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-12-25 14:12:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:41,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-12-25 14:12:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:41,216 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:41,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:41,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808696128] [2023-12-25 14:12:41,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808696128] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:41,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:41,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:12:41,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039723411] [2023-12-25 14:12:41,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:41,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:12:41,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:41,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:12:41,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:41,218 INFO L87 Difference]: Start difference. First operand 1310 states and 2164 transitions. Second operand has 5 states, 5 states have (on average 103.4) internal successors, (517), 5 states have internal predecessors, (517), 2 states have call successors, (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 14:12:41,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:41,950 INFO L93 Difference]: Finished difference Result 2424 states and 4002 transitions. [2023-12-25 14:12:41,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:41,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 103.4) internal successors, (517), 5 states have internal predecessors, (517), 2 states have call successors, (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 594 [2023-12-25 14:12:41,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:41,957 INFO L225 Difference]: With dead ends: 2424 [2023-12-25 14:12:41,957 INFO L226 Difference]: Without dead ends: 1310 [2023-12-25 14:12:41,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:12:41,959 INFO L413 NwaCegarLoop]: 1604 mSDtfsCounter, 1901 mSDsluCounter, 1625 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1910 SdHoareTripleChecker+Valid, 3229 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:41,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1910 Valid, 3229 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 14:12:41,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2023-12-25 14:12:41,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1310. [2023-12-25 14:12:41,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1310 states, 1292 states have (on average 1.6493808049535603) internal successors, (2131), 1292 states have internal predecessors, (2131), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:41,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 2163 transitions. [2023-12-25 14:12:41,987 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 2163 transitions. Word has length 594 [2023-12-25 14:12:41,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:41,988 INFO L495 AbstractCegarLoop]: Abstraction has 1310 states and 2163 transitions. [2023-12-25 14:12:41,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 103.4) internal successors, (517), 5 states have internal predecessors, (517), 2 states have call successors, (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 14:12:41,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 2163 transitions. [2023-12-25 14:12:41,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2023-12-25 14:12:41,992 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:41,992 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:41,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-25 14:12:41,992 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:41,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:41,993 INFO L85 PathProgramCache]: Analyzing trace with hash -948294325, now seen corresponding path program 1 times [2023-12-25 14:12:41,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:41,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236961763] [2023-12-25 14:12:41,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:41,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:42,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:42,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:42,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:42,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:42,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:42,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-12-25 14:12:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:42,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 14:12:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:42,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-25 14:12:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:42,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:12:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:42,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-12-25 14:12:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:42,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-12-25 14:12:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:42,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-12-25 14:12:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:42,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-12-25 14:12:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:42,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-12-25 14:12:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:42,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-12-25 14:12:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:42,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-12-25 14:12:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:42,693 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:42,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:42,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236961763] [2023-12-25 14:12:42,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236961763] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:42,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:42,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:12:42,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965635032] [2023-12-25 14:12:42,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:42,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:12:42,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:42,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:12:42,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:12:42,695 INFO L87 Difference]: Start difference. First operand 1310 states and 2163 transitions. Second operand has 4 states, 4 states have (on average 129.5) internal successors, (518), 4 states have internal predecessors, (518), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-25 14:12:42,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:42,735 INFO L93 Difference]: Finished difference Result 2427 states and 4004 transitions. [2023-12-25 14:12:42,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:42,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 129.5) internal successors, (518), 4 states have internal predecessors, (518), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 595 [2023-12-25 14:12:42,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:42,740 INFO L225 Difference]: With dead ends: 2427 [2023-12-25 14:12:42,740 INFO L226 Difference]: Without dead ends: 1313 [2023-12-25 14:12:42,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:12:42,745 INFO L413 NwaCegarLoop]: 2158 mSDtfsCounter, 1 mSDsluCounter, 4309 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6467 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:42,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6467 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 14:12:42,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2023-12-25 14:12:42,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1312. [2023-12-25 14:12:42,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1294 states have (on average 1.6483771251931993) internal successors, (2133), 1294 states have internal predecessors, (2133), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:42,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 2165 transitions. [2023-12-25 14:12:42,778 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 2165 transitions. Word has length 595 [2023-12-25 14:12:42,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:42,778 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 2165 transitions. [2023-12-25 14:12:42,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.5) internal successors, (518), 4 states have internal predecessors, (518), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-25 14:12:42,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 2165 transitions. [2023-12-25 14:12:42,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2023-12-25 14:12:42,786 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:42,786 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:42,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-25 14:12:42,786 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:42,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:42,786 INFO L85 PathProgramCache]: Analyzing trace with hash 457217491, now seen corresponding path program 1 times [2023-12-25 14:12:42,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:42,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867980509] [2023-12-25 14:12:42,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:42,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:43,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:43,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:43,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:43,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:43,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:43,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-12-25 14:12:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:43,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 14:12:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:43,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-25 14:12:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:43,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:12:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:43,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-12-25 14:12:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:43,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-12-25 14:12:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:43,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-12-25 14:12:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:43,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-12-25 14:12:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:43,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-12-25 14:12:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:43,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-12-25 14:12:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:43,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-12-25 14:12:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:43,837 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:43,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:43,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867980509] [2023-12-25 14:12:43,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867980509] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:43,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:43,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:12:43,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991523697] [2023-12-25 14:12:43,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:43,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:12:43,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:43,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:12:43,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:12:43,839 INFO L87 Difference]: Start difference. First operand 1312 states and 2165 transitions. Second operand has 4 states, 4 states have (on average 129.75) internal successors, (519), 4 states have internal predecessors, (519), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-25 14:12:44,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:44,031 INFO L93 Difference]: Finished difference Result 2428 states and 4004 transitions. [2023-12-25 14:12:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:44,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 129.75) internal successors, (519), 4 states have internal predecessors, (519), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 596 [2023-12-25 14:12:44,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:44,035 INFO L225 Difference]: With dead ends: 2428 [2023-12-25 14:12:44,035 INFO L226 Difference]: Without dead ends: 1312 [2023-12-25 14:12:44,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:44,037 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 1665 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1665 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:44,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1665 Valid, 4084 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:12:44,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2023-12-25 14:12:44,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1312. [2023-12-25 14:12:44,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1294 states have (on average 1.6468315301391037) internal successors, (2131), 1294 states have internal predecessors, (2131), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:44,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 2163 transitions. [2023-12-25 14:12:44,054 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 2163 transitions. Word has length 596 [2023-12-25 14:12:44,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:44,055 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 2163 transitions. [2023-12-25 14:12:44,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.75) internal successors, (519), 4 states have internal predecessors, (519), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-25 14:12:44,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 2163 transitions. [2023-12-25 14:12:44,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2023-12-25 14:12:44,058 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:44,059 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:44,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-25 14:12:44,059 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:44,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:44,059 INFO L85 PathProgramCache]: Analyzing trace with hash 395428339, now seen corresponding path program 1 times [2023-12-25 14:12:44,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:44,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685844214] [2023-12-25 14:12:44,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:44,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:44,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:44,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:44,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:44,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:44,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:44,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-12-25 14:12:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:44,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-12-25 14:12:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:44,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-25 14:12:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:44,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:12:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:44,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-12-25 14:12:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:44,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-12-25 14:12:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:44,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-12-25 14:12:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:44,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-12-25 14:12:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:44,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-12-25 14:12:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:44,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-12-25 14:12:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:44,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-12-25 14:12:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:44,759 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:44,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:44,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685844214] [2023-12-25 14:12:44,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685844214] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:44,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:44,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:12:44,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756760027] [2023-12-25 14:12:44,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:44,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:12:44,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:44,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:12:44,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:44,761 INFO L87 Difference]: Start difference. First operand 1312 states and 2163 transitions. Second operand has 5 states, 5 states have (on average 104.0) internal successors, (520), 5 states have internal predecessors, (520), 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 14:12:44,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:44,957 INFO L93 Difference]: Finished difference Result 2832 states and 4658 transitions. [2023-12-25 14:12:44,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 14:12:44,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 104.0) internal successors, (520), 5 states have internal predecessors, (520), 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 597 [2023-12-25 14:12:44,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:44,962 INFO L225 Difference]: With dead ends: 2832 [2023-12-25 14:12:44,962 INFO L226 Difference]: Without dead ends: 1312 [2023-12-25 14:12:44,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-25 14:12:44,964 INFO L413 NwaCegarLoop]: 2627 mSDtfsCounter, 2419 mSDsluCounter, 4694 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2430 SdHoareTripleChecker+Valid, 7321 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:44,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2430 Valid, 7321 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:12:44,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2023-12-25 14:12:44,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1312. [2023-12-25 14:12:44,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1294 states have (on average 1.6460587326120557) internal successors, (2130), 1294 states have internal predecessors, (2130), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:44,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 2162 transitions. [2023-12-25 14:12:44,982 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 2162 transitions. Word has length 597 [2023-12-25 14:12:44,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:44,982 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 2162 transitions. [2023-12-25 14:12:44,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 104.0) internal successors, (520), 5 states have internal predecessors, (520), 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 14:12:44,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 2162 transitions. [2023-12-25 14:12:44,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2023-12-25 14:12:44,986 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:44,986 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:44,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-25 14:12:44,986 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:44,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:44,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1343599687, now seen corresponding path program 1 times [2023-12-25 14:12:44,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:44,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639441029] [2023-12-25 14:12:44,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:44,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-25 14:12:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-12-25 14:12:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-12-25 14:12:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-12-25 14:12:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-12-25 14:12:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-12-25 14:12:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-12-25 14:12:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2023-12-25 14:12:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-12-25 14:12:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2023-12-25 14:12:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-12-25 14:12:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:45,668 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:45,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:45,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639441029] [2023-12-25 14:12:45,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639441029] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:45,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:45,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:12:45,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609221379] [2023-12-25 14:12:45,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:45,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:12:45,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:45,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:12:45,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:45,670 INFO L87 Difference]: Start difference. First operand 1312 states and 2162 transitions. Second operand has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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 14:12:45,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:45,871 INFO L93 Difference]: Finished difference Result 2428 states and 3998 transitions. [2023-12-25 14:12:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:45,872 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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 598 [2023-12-25 14:12:45,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:45,875 INFO L225 Difference]: With dead ends: 2428 [2023-12-25 14:12:45,875 INFO L226 Difference]: Without dead ends: 1312 [2023-12-25 14:12:45,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:12:45,877 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 4039 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4054 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:45,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4054 Valid, 4084 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:12:45,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2023-12-25 14:12:45,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1312. [2023-12-25 14:12:45,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1294 states have (on average 1.6452859350850078) internal successors, (2129), 1294 states have internal predecessors, (2129), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:45,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 2161 transitions. [2023-12-25 14:12:45,896 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 2161 transitions. Word has length 598 [2023-12-25 14:12:45,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:45,896 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 2161 transitions. [2023-12-25 14:12:45,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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 14:12:45,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 2161 transitions. [2023-12-25 14:12:45,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2023-12-25 14:12:45,900 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:45,900 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:45,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-25 14:12:45,900 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:45,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:45,900 INFO L85 PathProgramCache]: Analyzing trace with hash 359729577, now seen corresponding path program 1 times [2023-12-25 14:12:45,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:45,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060748197] [2023-12-25 14:12:45,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:45,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:46,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:46,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:46,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:46,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:46,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:46,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-25 14:12:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:46,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-12-25 14:12:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-12-25 14:12:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:46,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 14:12:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:46,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-12-25 14:12:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 14:12:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:46,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 14:12:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:46,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 14:12:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:46,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 14:12:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:46,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 14:12:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:46,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 14:12:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:46,529 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:46,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:46,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060748197] [2023-12-25 14:12:46,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060748197] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:46,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:46,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:12:46,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645134201] [2023-12-25 14:12:46,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:46,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:12:46,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:46,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:12:46,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:46,531 INFO L87 Difference]: Start difference. First operand 1312 states and 2161 transitions. Second operand has 5 states, 5 states have (on average 104.4) internal successors, (522), 5 states have internal predecessors, (522), 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 14:12:46,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:46,716 INFO L93 Difference]: Finished difference Result 2428 states and 3996 transitions. [2023-12-25 14:12:46,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:46,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 104.4) internal successors, (522), 5 states have internal predecessors, (522), 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 599 [2023-12-25 14:12:46,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:46,720 INFO L225 Difference]: With dead ends: 2428 [2023-12-25 14:12:46,720 INFO L226 Difference]: Without dead ends: 1312 [2023-12-25 14:12:46,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:12:46,722 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 1997 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 4103 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:46,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 4103 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:12:46,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2023-12-25 14:12:46,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1312. [2023-12-25 14:12:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1294 states have (on average 1.6445131375579598) internal successors, (2128), 1294 states have internal predecessors, (2128), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:46,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 2160 transitions. [2023-12-25 14:12:46,739 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 2160 transitions. Word has length 599 [2023-12-25 14:12:46,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:46,740 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 2160 transitions. [2023-12-25 14:12:46,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 104.4) internal successors, (522), 5 states have internal predecessors, (522), 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 14:12:46,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 2160 transitions. [2023-12-25 14:12:46,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2023-12-25 14:12:46,743 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:46,744 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:46,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-25 14:12:46,744 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:46,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:46,744 INFO L85 PathProgramCache]: Analyzing trace with hash -846129257, now seen corresponding path program 1 times [2023-12-25 14:12:46,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:46,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127078834] [2023-12-25 14:12:46,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:46,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:47,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:47,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:47,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:47,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:47,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:47,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-25 14:12:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:47,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-12-25 14:12:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:47,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-12-25 14:12:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:47,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 14:12:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:47,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-12-25 14:12:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:47,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 14:12:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:47,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 14:12:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:47,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 14:12:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:47,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 14:12:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:47,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 14:12:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:47,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 14:12:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:47,437 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:47,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:47,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127078834] [2023-12-25 14:12:47,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127078834] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:47,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:47,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:12:47,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711299937] [2023-12-25 14:12:47,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:47,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:12:47,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:47,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:12:47,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:47,439 INFO L87 Difference]: Start difference. First operand 1312 states and 2160 transitions. Second operand has 5 states, 5 states have (on average 104.6) internal successors, (523), 5 states have internal predecessors, (523), 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 14:12:47,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:47,656 INFO L93 Difference]: Finished difference Result 2428 states and 3994 transitions. [2023-12-25 14:12:47,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:47,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 104.6) internal successors, (523), 5 states have internal predecessors, (523), 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 600 [2023-12-25 14:12:47,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:47,661 INFO L225 Difference]: With dead ends: 2428 [2023-12-25 14:12:47,661 INFO L226 Difference]: Without dead ends: 1312 [2023-12-25 14:12:47,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:12:47,662 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 3803 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3808 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:47,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3808 Valid, 4084 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:12:47,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2023-12-25 14:12:47,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1312. [2023-12-25 14:12:47,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1294 states have (on average 1.6437403400309119) internal successors, (2127), 1294 states have internal predecessors, (2127), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:47,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 2159 transitions. [2023-12-25 14:12:47,679 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 2159 transitions. Word has length 600 [2023-12-25 14:12:47,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:47,680 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 2159 transitions. [2023-12-25 14:12:47,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 104.6) internal successors, (523), 5 states have internal predecessors, (523), 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 14:12:47,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 2159 transitions. [2023-12-25 14:12:47,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2023-12-25 14:12:47,683 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:47,684 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:47,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-25 14:12:47,684 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:47,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:47,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1071328689, now seen corresponding path program 1 times [2023-12-25 14:12:47,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:47,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769287595] [2023-12-25 14:12:47,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:47,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:48,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:48,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:48,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:48,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:48,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:48,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-25 14:12:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:48,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-12-25 14:12:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:48,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-12-25 14:12:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:48,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 14:12:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:48,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-12-25 14:12:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 14:12:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:48,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 14:12:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:48,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 14:12:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:48,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 14:12:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:48,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 14:12:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:48,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 14:12:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:48,360 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:48,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:48,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769287595] [2023-12-25 14:12:48,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769287595] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:48,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:48,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:12:48,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758166715] [2023-12-25 14:12:48,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:48,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:12:48,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:48,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:12:48,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:48,362 INFO L87 Difference]: Start difference. First operand 1312 states and 2159 transitions. Second operand has 5 states, 5 states have (on average 104.8) internal successors, (524), 5 states have internal predecessors, (524), 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 14:12:48,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:48,577 INFO L93 Difference]: Finished difference Result 2428 states and 3992 transitions. [2023-12-25 14:12:48,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:48,578 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 104.8) internal successors, (524), 5 states have internal predecessors, (524), 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 601 [2023-12-25 14:12:48,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:48,582 INFO L225 Difference]: With dead ends: 2428 [2023-12-25 14:12:48,582 INFO L226 Difference]: Without dead ends: 1312 [2023-12-25 14:12:48,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:12:48,583 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 1954 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1959 SdHoareTripleChecker+Valid, 4103 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:48,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1959 Valid, 4103 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:12:48,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2023-12-25 14:12:48,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1312. [2023-12-25 14:12:48,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1294 states have (on average 1.642967542503864) internal successors, (2126), 1294 states have internal predecessors, (2126), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:48,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 2158 transitions. [2023-12-25 14:12:48,608 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 2158 transitions. Word has length 601 [2023-12-25 14:12:48,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:48,609 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 2158 transitions. [2023-12-25 14:12:48,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 104.8) internal successors, (524), 5 states have internal predecessors, (524), 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 14:12:48,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 2158 transitions. [2023-12-25 14:12:48,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2023-12-25 14:12:48,614 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:48,614 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:48,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-25 14:12:48,614 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:48,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:48,615 INFO L85 PathProgramCache]: Analyzing trace with hash 109880315, now seen corresponding path program 1 times [2023-12-25 14:12:48,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:48,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491618564] [2023-12-25 14:12:48,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:48,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:49,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:49,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:49,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:49,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-25 14:12:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:49,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-12-25 14:12:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:49,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-12-25 14:12:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:49,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 14:12:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:49,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-12-25 14:12:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:49,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 14:12:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:49,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 14:12:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:49,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 14:12:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:49,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 14:12:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:49,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 14:12:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:49,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 14:12:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:49,314 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:49,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:49,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491618564] [2023-12-25 14:12:49,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491618564] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:49,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:49,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:12:49,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13231256] [2023-12-25 14:12:49,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:49,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:12:49,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:49,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:12:49,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:49,319 INFO L87 Difference]: Start difference. First operand 1312 states and 2158 transitions. Second operand has 5 states, 5 states have (on average 105.0) internal successors, (525), 5 states have internal predecessors, (525), 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 14:12:49,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:49,562 INFO L93 Difference]: Finished difference Result 2428 states and 3990 transitions. [2023-12-25 14:12:49,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:49,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 105.0) internal successors, (525), 5 states have internal predecessors, (525), 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 602 [2023-12-25 14:12:49,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:49,566 INFO L225 Difference]: With dead ends: 2428 [2023-12-25 14:12:49,566 INFO L226 Difference]: Without dead ends: 1312 [2023-12-25 14:12:49,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:12:49,567 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 1950 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1955 SdHoareTripleChecker+Valid, 4103 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:49,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1955 Valid, 4103 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:12:49,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2023-12-25 14:12:49,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1312. [2023-12-25 14:12:49,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1294 states have (on average 1.6421947449768162) internal successors, (2125), 1294 states have internal predecessors, (2125), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:49,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 2157 transitions. [2023-12-25 14:12:49,620 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 2157 transitions. Word has length 602 [2023-12-25 14:12:49,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:49,621 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 2157 transitions. [2023-12-25 14:12:49,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 105.0) internal successors, (525), 5 states have internal predecessors, (525), 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 14:12:49,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 2157 transitions. [2023-12-25 14:12:49,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2023-12-25 14:12:49,626 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:49,627 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:49,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-25 14:12:49,627 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:49,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:49,627 INFO L85 PathProgramCache]: Analyzing trace with hash -885474391, now seen corresponding path program 1 times [2023-12-25 14:12:49,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:49,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985853276] [2023-12-25 14:12:49,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:49,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:50,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:50,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:50,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:50,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:50,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:50,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-25 14:12:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:50,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-12-25 14:12:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:50,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-12-25 14:12:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:50,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 14:12:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:50,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-12-25 14:12:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:50,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 14:12:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:50,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 14:12:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:50,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 14:12:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:50,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 14:12:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:50,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 14:12:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:50,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 14:12:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:50,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:50,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985853276] [2023-12-25 14:12:50,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985853276] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:50,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:50,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:12:50,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998530575] [2023-12-25 14:12:50,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:50,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:12:50,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:50,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:12:50,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:50,335 INFO L87 Difference]: Start difference. First operand 1312 states and 2157 transitions. Second operand has 5 states, 5 states have (on average 105.2) internal successors, (526), 5 states have internal predecessors, (526), 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 14:12:50,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:50,522 INFO L93 Difference]: Finished difference Result 2428 states and 3988 transitions. [2023-12-25 14:12:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:50,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 105.2) internal successors, (526), 5 states have internal predecessors, (526), 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 603 [2023-12-25 14:12:50,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:50,526 INFO L225 Difference]: With dead ends: 2428 [2023-12-25 14:12:50,527 INFO L226 Difference]: Without dead ends: 1312 [2023-12-25 14:12:50,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:12:50,528 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 3639 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3644 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:50,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3644 Valid, 4084 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:12:50,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2023-12-25 14:12:50,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1312. [2023-12-25 14:12:50,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1294 states have (on average 1.6414219474497682) internal successors, (2124), 1294 states have internal predecessors, (2124), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:50,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 2156 transitions. [2023-12-25 14:12:50,544 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 2156 transitions. Word has length 603 [2023-12-25 14:12:50,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:50,545 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 2156 transitions. [2023-12-25 14:12:50,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 105.2) internal successors, (526), 5 states have internal predecessors, (526), 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 14:12:50,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 2156 transitions. [2023-12-25 14:12:50,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2023-12-25 14:12:50,548 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:50,549 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:50,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-25 14:12:50,549 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:50,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:50,549 INFO L85 PathProgramCache]: Analyzing trace with hash -537900899, now seen corresponding path program 1 times [2023-12-25 14:12:50,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:50,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884046026] [2023-12-25 14:12:50,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:50,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:51,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:51,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:51,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:51,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:51,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:51,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-25 14:12:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:51,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-12-25 14:12:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:51,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-12-25 14:12:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:51,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 14:12:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:51,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-12-25 14:12:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:51,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 14:12:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:51,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 14:12:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:51,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 14:12:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:51,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 14:12:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:51,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 14:12:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:51,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 14:12:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:51,216 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:51,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:51,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884046026] [2023-12-25 14:12:51,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884046026] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:51,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:51,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:12:51,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862240802] [2023-12-25 14:12:51,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:51,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:12:51,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:51,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:12:51,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:51,218 INFO L87 Difference]: Start difference. First operand 1312 states and 2156 transitions. Second operand has 5 states, 5 states have (on average 105.4) internal successors, (527), 5 states have internal predecessors, (527), 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 14:12:51,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:51,406 INFO L93 Difference]: Finished difference Result 2428 states and 3986 transitions. [2023-12-25 14:12:51,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:51,407 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 105.4) internal successors, (527), 5 states have internal predecessors, (527), 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 604 [2023-12-25 14:12:51,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:51,410 INFO L225 Difference]: With dead ends: 2428 [2023-12-25 14:12:51,411 INFO L226 Difference]: Without dead ends: 1312 [2023-12-25 14:12:51,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:12:51,412 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 3631 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3636 SdHoareTripleChecker+Valid, 4084 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 14:12:51,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3636 Valid, 4084 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:12:51,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2023-12-25 14:12:51,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1312. [2023-12-25 14:12:51,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1294 states have (on average 1.6406491499227203) internal successors, (2123), 1294 states have internal predecessors, (2123), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:51,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 2155 transitions. [2023-12-25 14:12:51,429 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 2155 transitions. Word has length 604 [2023-12-25 14:12:51,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:51,429 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 2155 transitions. [2023-12-25 14:12:51,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 105.4) internal successors, (527), 5 states have internal predecessors, (527), 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 14:12:51,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 2155 transitions. [2023-12-25 14:12:51,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-25 14:12:51,434 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:51,434 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:51,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-25 14:12:51,435 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:51,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:51,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1307250547, now seen corresponding path program 1 times [2023-12-25 14:12:51,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:51,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722545313] [2023-12-25 14:12:51,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:51,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:52,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:52,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:52,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:52,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:52,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-25 14:12:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:52,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-12-25 14:12:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:52,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-12-25 14:12:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:52,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 14:12:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:52,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-12-25 14:12:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:52,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 14:12:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:52,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 14:12:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:52,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 14:12:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:52,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 14:12:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:52,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 14:12:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:52,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 14:12:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:52,211 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:52,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:52,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722545313] [2023-12-25 14:12:52,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722545313] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:52,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:52,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:12:52,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906924407] [2023-12-25 14:12:52,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:52,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:12:52,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:52,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:12:52,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:52,213 INFO L87 Difference]: Start difference. First operand 1312 states and 2155 transitions. Second operand has 5 states, 5 states have (on average 105.6) internal successors, (528), 5 states have internal predecessors, (528), 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 14:12:52,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:52,386 INFO L93 Difference]: Finished difference Result 2428 states and 3984 transitions. [2023-12-25 14:12:52,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:52,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 105.6) internal successors, (528), 5 states have internal predecessors, (528), 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 605 [2023-12-25 14:12:52,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:52,396 INFO L225 Difference]: With dead ends: 2428 [2023-12-25 14:12:52,396 INFO L226 Difference]: Without dead ends: 1312 [2023-12-25 14:12:52,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:12:52,398 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 1868 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1873 SdHoareTripleChecker+Valid, 4103 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:52,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1873 Valid, 4103 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:12:52,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2023-12-25 14:12:52,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1312. [2023-12-25 14:12:52,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1294 states have (on average 1.6398763523956723) internal successors, (2122), 1294 states have internal predecessors, (2122), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:52,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 2154 transitions. [2023-12-25 14:12:52,413 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 2154 transitions. Word has length 605 [2023-12-25 14:12:52,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:52,416 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 2154 transitions. [2023-12-25 14:12:52,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 105.6) internal successors, (528), 5 states have internal predecessors, (528), 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 14:12:52,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 2154 transitions. [2023-12-25 14:12:52,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2023-12-25 14:12:52,420 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:52,420 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:52,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-25 14:12:52,421 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:52,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:52,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1036599997, now seen corresponding path program 1 times [2023-12-25 14:12:52,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:52,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601829757] [2023-12-25 14:12:52,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:52,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:53,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:53,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:53,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:53,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:53,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:53,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-25 14:12:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:53,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-12-25 14:12:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:53,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-12-25 14:12:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:53,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 14:12:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:53,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-12-25 14:12:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:53,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 14:12:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:53,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 14:12:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:53,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 14:12:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:53,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 14:12:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:53,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 14:12:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:53,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 14:12:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:53,134 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:53,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:53,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601829757] [2023-12-25 14:12:53,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601829757] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:53,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:53,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:12:53,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406164726] [2023-12-25 14:12:53,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:53,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:12:53,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:53,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:12:53,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:53,136 INFO L87 Difference]: Start difference. First operand 1312 states and 2154 transitions. Second operand has 5 states, 5 states have (on average 105.8) internal successors, (529), 5 states have internal predecessors, (529), 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 14:12:53,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:53,329 INFO L93 Difference]: Finished difference Result 2428 states and 3982 transitions. [2023-12-25 14:12:53,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:53,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 105.8) internal successors, (529), 5 states have internal predecessors, (529), 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 606 [2023-12-25 14:12:53,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:53,332 INFO L225 Difference]: With dead ends: 2428 [2023-12-25 14:12:53,332 INFO L226 Difference]: Without dead ends: 1312 [2023-12-25 14:12:53,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:12:53,334 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 1864 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1869 SdHoareTripleChecker+Valid, 4103 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 14:12:53,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1869 Valid, 4103 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:12:53,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2023-12-25 14:12:53,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1312. [2023-12-25 14:12:53,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1294 states have (on average 1.6391035548686244) internal successors, (2121), 1294 states have internal predecessors, (2121), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:53,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 2153 transitions. [2023-12-25 14:12:53,347 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 2153 transitions. Word has length 606 [2023-12-25 14:12:53,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:53,347 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 2153 transitions. [2023-12-25 14:12:53,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 105.8) internal successors, (529), 5 states have internal predecessors, (529), 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 14:12:53,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 2153 transitions. [2023-12-25 14:12:53,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2023-12-25 14:12:53,351 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:53,351 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:53,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-25 14:12:53,351 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:53,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:53,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1921368411, now seen corresponding path program 1 times [2023-12-25 14:12:53,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:53,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590793291] [2023-12-25 14:12:53,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:53,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:54,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:54,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:54,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:54,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:54,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:54,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-25 14:12:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:54,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-12-25 14:12:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:54,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-12-25 14:12:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:54,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 14:12:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:54,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-12-25 14:12:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:54,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 14:12:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:54,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 14:12:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:54,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 14:12:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:54,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 14:12:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:54,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 14:12:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:54,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 14:12:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:54,065 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:54,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:54,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590793291] [2023-12-25 14:12:54,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590793291] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:54,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:54,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:12:54,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889834121] [2023-12-25 14:12:54,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:54,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:12:54,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:54,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:12:54,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:54,068 INFO L87 Difference]: Start difference. First operand 1312 states and 2153 transitions. Second operand has 5 states, 5 states have (on average 106.0) internal successors, (530), 5 states have internal predecessors, (530), 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 14:12:54,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:54,278 INFO L93 Difference]: Finished difference Result 2428 states and 3980 transitions. [2023-12-25 14:12:54,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:54,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 106.0) internal successors, (530), 5 states have internal predecessors, (530), 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 607 [2023-12-25 14:12:54,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:54,281 INFO L225 Difference]: With dead ends: 2428 [2023-12-25 14:12:54,281 INFO L226 Difference]: Without dead ends: 1312 [2023-12-25 14:12:54,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:12:54,284 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 1822 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1827 SdHoareTripleChecker+Valid, 4103 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 14:12:54,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1827 Valid, 4103 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:12:54,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2023-12-25 14:12:54,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1312. [2023-12-25 14:12:54,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1294 states have (on average 1.6383307573415764) internal successors, (2120), 1294 states have internal predecessors, (2120), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:54,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 2152 transitions. [2023-12-25 14:12:54,307 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 2152 transitions. Word has length 607 [2023-12-25 14:12:54,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:54,308 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 2152 transitions. [2023-12-25 14:12:54,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 106.0) internal successors, (530), 5 states have internal predecessors, (530), 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 14:12:54,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 2152 transitions. [2023-12-25 14:12:54,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2023-12-25 14:12:54,311 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:54,312 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:54,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-25 14:12:54,312 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:54,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:54,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1971061117, now seen corresponding path program 1 times [2023-12-25 14:12:54,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:54,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862203047] [2023-12-25 14:12:54,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:54,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:56,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:56,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:56,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:56,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:56,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:56,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-25 14:12:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:56,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-12-25 14:12:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:56,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-12-25 14:12:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:56,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 14:12:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:56,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-12-25 14:12:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:56,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 14:12:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:56,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 14:12:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:56,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 14:12:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:56,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 14:12:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:56,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 14:12:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:56,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 14:12:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:56,787 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:56,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:56,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862203047] [2023-12-25 14:12:56,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862203047] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:56,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:56,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:12:56,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371409574] [2023-12-25 14:12:56,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:56,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:12:56,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:56,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:12:56,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:56,789 INFO L87 Difference]: Start difference. First operand 1312 states and 2152 transitions. Second operand has 5 states, 5 states have (on average 106.2) internal successors, (531), 5 states have internal predecessors, (531), 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 14:12:57,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:57,592 INFO L93 Difference]: Finished difference Result 2432 states and 3984 transitions. [2023-12-25 14:12:57,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 14:12:57,592 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 106.2) internal successors, (531), 5 states have internal predecessors, (531), 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 608 [2023-12-25 14:12:57,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:57,594 INFO L225 Difference]: With dead ends: 2432 [2023-12-25 14:12:57,594 INFO L226 Difference]: Without dead ends: 1316 [2023-12-25 14:12:57,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:57,597 INFO L413 NwaCegarLoop]: 1620 mSDtfsCounter, 2006 mSDsluCounter, 3203 mSDsCounter, 0 mSdLazyCounter, 1620 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 4823 SdHoareTripleChecker+Invalid, 1621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:57,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2015 Valid, 4823 Invalid, 1621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1620 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 14:12:57,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1316 states. [2023-12-25 14:12:57,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1316 to 1314. [2023-12-25 14:12:57,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1296 states have (on average 1.6373456790123457) internal successors, (2122), 1296 states have internal predecessors, (2122), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:57,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 2154 transitions. [2023-12-25 14:12:57,640 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 2154 transitions. Word has length 608 [2023-12-25 14:12:57,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:57,640 INFO L495 AbstractCegarLoop]: Abstraction has 1314 states and 2154 transitions. [2023-12-25 14:12:57,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 106.2) internal successors, (531), 5 states have internal predecessors, (531), 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 14:12:57,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 2154 transitions. [2023-12-25 14:12:57,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2023-12-25 14:12:57,644 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:57,644 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:57,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-25 14:12:57,645 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:57,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:57,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1323081173, now seen corresponding path program 1 times [2023-12-25 14:12:57,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:57,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112121439] [2023-12-25 14:12:57,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:57,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:59,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:12:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:59,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:12:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:59,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:12:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:59,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:12:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:59,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:12:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:59,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-25 14:12:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:59,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-12-25 14:12:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:59,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-12-25 14:12:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:59,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 14:12:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:59,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-12-25 14:12:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:59,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 14:12:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:59,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 14:12:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:59,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 14:12:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:59,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 14:12:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:59,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 14:12:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:59,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 14:12:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:12:59,338 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:12:59,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:12:59,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112121439] [2023-12-25 14:12:59,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112121439] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:12:59,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:12:59,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:12:59,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338708659] [2023-12-25 14:12:59,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:12:59,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:12:59,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:12:59,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:12:59,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:12:59,341 INFO L87 Difference]: Start difference. First operand 1314 states and 2154 transitions. Second operand has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 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 14:12:59,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:12:59,507 INFO L93 Difference]: Finished difference Result 2432 states and 3982 transitions. [2023-12-25 14:12:59,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:12:59,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 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 609 [2023-12-25 14:12:59,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:12:59,509 INFO L225 Difference]: With dead ends: 2432 [2023-12-25 14:12:59,509 INFO L226 Difference]: Without dead ends: 1314 [2023-12-25 14:12:59,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:12:59,511 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 1933 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1944 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:12:59,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1944 Valid, 4084 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:12:59,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2023-12-25 14:12:59,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2023-12-25 14:12:59,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1296 states have (on average 1.6365740740740742) internal successors, (2121), 1296 states have internal predecessors, (2121), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:12:59,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 2153 transitions. [2023-12-25 14:12:59,525 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 2153 transitions. Word has length 609 [2023-12-25 14:12:59,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:12:59,526 INFO L495 AbstractCegarLoop]: Abstraction has 1314 states and 2153 transitions. [2023-12-25 14:12:59,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 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 14:12:59,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 2153 transitions. [2023-12-25 14:12:59,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2023-12-25 14:12:59,529 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:12:59,530 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:12:59,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-25 14:12:59,530 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:12:59,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:12:59,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1241170451, now seen corresponding path program 1 times [2023-12-25 14:12:59,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:12:59,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821767771] [2023-12-25 14:12:59,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:12:59,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:12:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:00,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:13:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:00,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:13:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:00,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:13:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:00,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:13:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:00,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:13:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:00,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-25 14:13:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:00,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-12-25 14:13:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:00,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-12-25 14:13:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:00,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 14:13:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:00,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-12-25 14:13:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:00,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 14:13:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:00,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 14:13:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:00,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 14:13:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:00,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 14:13:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:00,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 14:13:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:00,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 14:13:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:00,584 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:13:00,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:13:00,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821767771] [2023-12-25 14:13:00,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821767771] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:13:00,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:13:00,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:13:00,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355445381] [2023-12-25 14:13:00,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:13:00,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:13:00,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:13:00,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:13:00,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:13:00,588 INFO L87 Difference]: Start difference. First operand 1314 states and 2153 transitions. Second operand has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-25 14:13:00,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:13:00,738 INFO L93 Difference]: Finished difference Result 2432 states and 3980 transitions. [2023-12-25 14:13:00,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:13:00,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 609 [2023-12-25 14:13:00,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:13:00,750 INFO L225 Difference]: With dead ends: 2432 [2023-12-25 14:13:00,750 INFO L226 Difference]: Without dead ends: 1314 [2023-12-25 14:13:00,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:13:00,752 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 1805 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1805 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:13:00,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1805 Valid, 4084 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:13:00,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2023-12-25 14:13:00,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2023-12-25 14:13:00,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1296 states have (on average 1.6358024691358024) internal successors, (2120), 1296 states have internal predecessors, (2120), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:13:00,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 2152 transitions. [2023-12-25 14:13:00,788 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 2152 transitions. Word has length 609 [2023-12-25 14:13:00,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:13:00,788 INFO L495 AbstractCegarLoop]: Abstraction has 1314 states and 2152 transitions. [2023-12-25 14:13:00,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-25 14:13:00,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 2152 transitions. [2023-12-25 14:13:00,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2023-12-25 14:13:00,792 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:13:00,792 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:13:00,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-25 14:13:00,792 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:13:00,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:13:00,793 INFO L85 PathProgramCache]: Analyzing trace with hash -534904623, now seen corresponding path program 1 times [2023-12-25 14:13:00,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:13:00,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138592879] [2023-12-25 14:13:00,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:13:00,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:13:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:01,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:13:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:01,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:13:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:01,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:13:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:01,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:13:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:01,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:13:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:01,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-25 14:13:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:01,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-12-25 14:13:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-12-25 14:13:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:01,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 14:13:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:01,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-12-25 14:13:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:01,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 14:13:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:01,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 14:13:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:01,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 14:13:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:01,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 14:13:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:01,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 14:13:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:01,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 14:13:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:01,858 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:13:01,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:13:01,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138592879] [2023-12-25 14:13:01,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138592879] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:13:01,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:13:01,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:13:01,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306102783] [2023-12-25 14:13:01,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:13:01,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:13:01,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:13:01,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:13:01,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:13:01,860 INFO L87 Difference]: Start difference. First operand 1314 states and 2152 transitions. Second operand has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-25 14:13:02,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:13:02,021 INFO L93 Difference]: Finished difference Result 2432 states and 3978 transitions. [2023-12-25 14:13:02,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:13:02,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 609 [2023-12-25 14:13:02,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:13:02,023 INFO L225 Difference]: With dead ends: 2432 [2023-12-25 14:13:02,023 INFO L226 Difference]: Without dead ends: 1314 [2023-12-25 14:13:02,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:13:02,025 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 1762 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:13:02,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 4084 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:13:02,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2023-12-25 14:13:02,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2023-12-25 14:13:02,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1296 states have (on average 1.6350308641975309) internal successors, (2119), 1296 states have internal predecessors, (2119), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:13:02,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 2151 transitions. [2023-12-25 14:13:02,042 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 2151 transitions. Word has length 609 [2023-12-25 14:13:02,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:13:02,042 INFO L495 AbstractCegarLoop]: Abstraction has 1314 states and 2151 transitions. [2023-12-25 14:13:02,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-25 14:13:02,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 2151 transitions. [2023-12-25 14:13:02,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2023-12-25 14:13:02,046 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:13:02,046 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:13:02,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-25 14:13:02,046 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:13:02,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:13:02,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1794075919, now seen corresponding path program 1 times [2023-12-25 14:13:02,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:13:02,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988069922] [2023-12-25 14:13:02,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:13:02,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:13:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:03,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:13:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:03,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:13:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:03,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:13:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:03,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:13:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:03,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:13:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:03,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-25 14:13:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:03,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-12-25 14:13:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:03,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-12-25 14:13:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:03,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 14:13:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:03,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-12-25 14:13:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:03,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 14:13:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:03,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 14:13:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:03,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 14:13:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:03,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 14:13:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:03,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 14:13:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:03,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 14:13:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:03,033 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:13:03,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:13:03,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988069922] [2023-12-25 14:13:03,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988069922] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:13:03,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:13:03,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:13:03,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140580168] [2023-12-25 14:13:03,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:13:03,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:13:03,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:13:03,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:13:03,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:13:03,036 INFO L87 Difference]: Start difference. First operand 1314 states and 2151 transitions. Second operand has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-25 14:13:03,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:13:03,203 INFO L93 Difference]: Finished difference Result 2432 states and 3976 transitions. [2023-12-25 14:13:03,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:13:03,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 609 [2023-12-25 14:13:03,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:13:03,205 INFO L225 Difference]: With dead ends: 2432 [2023-12-25 14:13:03,205 INFO L226 Difference]: Without dead ends: 1314 [2023-12-25 14:13:03,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:13:03,206 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 1679 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1679 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:13:03,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1679 Valid, 4084 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:13:03,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2023-12-25 14:13:03,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2023-12-25 14:13:03,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1296 states have (on average 1.6342592592592593) internal successors, (2118), 1296 states have internal predecessors, (2118), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 14:13:03,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 2150 transitions. [2023-12-25 14:13:03,221 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 2150 transitions. Word has length 609 [2023-12-25 14:13:03,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:13:03,222 INFO L495 AbstractCegarLoop]: Abstraction has 1314 states and 2150 transitions. [2023-12-25 14:13:03,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-25 14:13:03,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 2150 transitions. [2023-12-25 14:13:03,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2023-12-25 14:13:03,226 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:13:03,226 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:13:03,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-25 14:13:03,226 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:13:03,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:13:03,226 INFO L85 PathProgramCache]: Analyzing trace with hash 737344717, now seen corresponding path program 1 times [2023-12-25 14:13:03,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:13:03,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640924765] [2023-12-25 14:13:03,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:13:03,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:13:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:06,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:13:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:06,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:13:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:06,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:13:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:06,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:13:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:13:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:06,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-25 14:13:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:06,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-12-25 14:13:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:06,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-12-25 14:13:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:06,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 14:13:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:06,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-12-25 14:13:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:06,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 14:13:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:06,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 14:13:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:06,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 14:13:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:06,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 14:13:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:06,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 14:13:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:06,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 14:13:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:06,304 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:13:06,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:13:06,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640924765] [2023-12-25 14:13:06,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640924765] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:13:06,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:13:06,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-25 14:13:06,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297757206] [2023-12-25 14:13:06,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:13:06,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-25 14:13:06,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:13:06,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-25 14:13:06,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-25 14:13:06,306 INFO L87 Difference]: Start difference. First operand 1314 states and 2150 transitions. Second operand has 12 states, 12 states have (on average 44.333333333333336) internal successors, (532), 12 states have internal predecessors, (532), 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 14:13:08,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:13:08,283 INFO L93 Difference]: Finished difference Result 6095 states and 9951 transitions. [2023-12-25 14:13:08,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-25 14:13:08,284 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 44.333333333333336) internal successors, (532), 12 states have internal predecessors, (532), 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 609 [2023-12-25 14:13:08,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:13:08,291 INFO L225 Difference]: With dead ends: 6095 [2023-12-25 14:13:08,291 INFO L226 Difference]: Without dead ends: 4977 [2023-12-25 14:13:08,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2023-12-25 14:13:08,293 INFO L413 NwaCegarLoop]: 5718 mSDtfsCounter, 7335 mSDsluCounter, 38240 mSDsCounter, 0 mSdLazyCounter, 2066 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7365 SdHoareTripleChecker+Valid, 43958 SdHoareTripleChecker+Invalid, 2119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 2066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-25 14:13:08,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7365 Valid, 43958 Invalid, 2119 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [53 Valid, 2066 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-25 14:13:08,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4977 states. [2023-12-25 14:13:08,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4977 to 1622. [2023-12-25 14:13:08,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1622 states, 1588 states have (on average 1.6290931989924433) internal successors, (2587), 1588 states have internal predecessors, (2587), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-25 14:13:08,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1622 states and 2651 transitions. [2023-12-25 14:13:08,336 INFO L78 Accepts]: Start accepts. Automaton has 1622 states and 2651 transitions. Word has length 609 [2023-12-25 14:13:08,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:13:08,336 INFO L495 AbstractCegarLoop]: Abstraction has 1622 states and 2651 transitions. [2023-12-25 14:13:08,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 44.333333333333336) internal successors, (532), 12 states have internal predecessors, (532), 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 14:13:08,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 2651 transitions. [2023-12-25 14:13:08,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2023-12-25 14:13:08,340 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:13:08,340 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:13:08,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-25 14:13:08,340 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:13:08,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:13:08,340 INFO L85 PathProgramCache]: Analyzing trace with hash -2057670493, now seen corresponding path program 1 times [2023-12-25 14:13:08,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:13:08,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279279748] [2023-12-25 14:13:08,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:13:08,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:13:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:09,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:13:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:09,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:13:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:09,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-25 14:13:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:09,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-25 14:13:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:09,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:13:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:09,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-25 14:13:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:09,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-12-25 14:13:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:09,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-12-25 14:13:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:09,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-12-25 14:13:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:09,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-12-25 14:13:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:09,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 14:13:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:09,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 14:13:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:09,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 14:13:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:09,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 14:13:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:09,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 14:13:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:09,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 14:13:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:09,112 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:13:09,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:13:09,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279279748] [2023-12-25 14:13:09,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279279748] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:13:09,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:13:09,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 14:13:09,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120742158] [2023-12-25 14:13:09,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:13:09,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 14:13:09,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:13:09,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 14:13:09,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:13:09,114 INFO L87 Difference]: Start difference. First operand 1622 states and 2651 transitions. Second operand has 6 states, 6 states have (on average 88.83333333333333) internal successors, (533), 6 states have internal predecessors, (533), 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 14:13:10,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:13:10,871 INFO L93 Difference]: Finished difference Result 3856 states and 6298 transitions. [2023-12-25 14:13:10,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 14:13:10,872 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 88.83333333333333) internal successors, (533), 6 states have internal predecessors, (533), 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 610 [2023-12-25 14:13:10,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:13:10,876 INFO L225 Difference]: With dead ends: 3856 [2023-12-25 14:13:10,876 INFO L226 Difference]: Without dead ends: 2738 [2023-12-25 14:13:10,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 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 14:13:10,877 INFO L413 NwaCegarLoop]: 2912 mSDtfsCounter, 3835 mSDsluCounter, 7296 mSDsCounter, 0 mSdLazyCounter, 3747 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3860 SdHoareTripleChecker+Valid, 10208 SdHoareTripleChecker+Invalid, 3748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:13:10,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3860 Valid, 10208 Invalid, 3748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3747 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-25 14:13:10,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2738 states. [2023-12-25 14:13:10,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2738 to 1624. [2023-12-25 14:13:10,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1590 states have (on average 1.6283018867924528) internal successors, (2589), 1590 states have internal predecessors, (2589), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-25 14:13:10,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2653 transitions. [2023-12-25 14:13:10,905 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2653 transitions. Word has length 610 [2023-12-25 14:13:10,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:13:10,905 INFO L495 AbstractCegarLoop]: Abstraction has 1624 states and 2653 transitions. [2023-12-25 14:13:10,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 88.83333333333333) internal successors, (533), 6 states have internal predecessors, (533), 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 14:13:10,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2653 transitions. [2023-12-25 14:13:10,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2023-12-25 14:13:10,909 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:13:10,909 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:13:10,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-25 14:13:10,909 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:13:10,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:13:10,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1012888783, now seen corresponding path program 1 times [2023-12-25 14:13:10,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:13:10,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121563833] [2023-12-25 14:13:10,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:13:10,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:13:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:13,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:13:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:13,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:13:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:13,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 14:13:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:13,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-12-25 14:13:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:13,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-12-25 14:13:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:13,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-12-25 14:13:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-12-25 14:13:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:13,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-12-25 14:13:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:13,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2023-12-25 14:13:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:13,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-12-25 14:13:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:13,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2023-12-25 14:13:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:13,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-12-25 14:13:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:13,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2023-12-25 14:13:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:13,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2023-12-25 14:13:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:13,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2023-12-25 14:13:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:13,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2023-12-25 14:13:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:13,058 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:13:13,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:13:13,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121563833] [2023-12-25 14:13:13,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121563833] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:13:13,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:13:13,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 14:13:13,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781649090] [2023-12-25 14:13:13,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:13:13,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 14:13:13,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:13:13,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 14:13:13,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-25 14:13:13,060 INFO L87 Difference]: Start difference. First operand 1624 states and 2653 transitions. Second operand has 7 states, 7 states have (on average 76.14285714285714) internal successors, (533), 7 states have internal predecessors, (533), 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 14:13:14,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:13:14,274 INFO L93 Difference]: Finished difference Result 2995 states and 4884 transitions. [2023-12-25 14:13:14,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 14:13:14,275 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 76.14285714285714) internal successors, (533), 7 states have internal predecessors, (533), 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 610 [2023-12-25 14:13:14,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:13:14,278 INFO L225 Difference]: With dead ends: 2995 [2023-12-25 14:13:14,278 INFO L226 Difference]: Without dead ends: 1806 [2023-12-25 14:13:14,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 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 14:13:14,280 INFO L413 NwaCegarLoop]: 1761 mSDtfsCounter, 5680 mSDsluCounter, 3998 mSDsCounter, 0 mSdLazyCounter, 2170 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5682 SdHoareTripleChecker+Valid, 5759 SdHoareTripleChecker+Invalid, 2200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:13:14,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5682 Valid, 5759 Invalid, 2200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2170 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-25 14:13:14,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2023-12-25 14:13:14,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1628. [2023-12-25 14:13:14,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1628 states, 1594 states have (on average 1.625470514429109) internal successors, (2591), 1594 states have internal predecessors, (2591), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-25 14:13:14,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1628 states and 2655 transitions. [2023-12-25 14:13:14,302 INFO L78 Accepts]: Start accepts. Automaton has 1628 states and 2655 transitions. Word has length 610 [2023-12-25 14:13:14,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:13:14,303 INFO L495 AbstractCegarLoop]: Abstraction has 1628 states and 2655 transitions. [2023-12-25 14:13:14,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 76.14285714285714) internal successors, (533), 7 states have internal predecessors, (533), 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 14:13:14,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 2655 transitions. [2023-12-25 14:13:14,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2023-12-25 14:13:14,307 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:13:14,307 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:13:14,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-25 14:13:14,307 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:13:14,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:13:14,308 INFO L85 PathProgramCache]: Analyzing trace with hash -835081267, now seen corresponding path program 1 times [2023-12-25 14:13:14,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:13:14,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513446900] [2023-12-25 14:13:14,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:13:14,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:13:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:17,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:13:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:17,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:13:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:17,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 14:13:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:17,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-12-25 14:13:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:17,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-12-25 14:13:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:17,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-12-25 14:13:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:17,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-12-25 14:13:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:17,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-12-25 14:13:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:17,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2023-12-25 14:13:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:17,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-12-25 14:13:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:17,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-12-25 14:13:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:17,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:13:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:17,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2023-12-25 14:13:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:17,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-12-25 14:13:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:17,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2023-12-25 14:13:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:17,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2023-12-25 14:13:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:17,367 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:13:17,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:13:17,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513446900] [2023-12-25 14:13:17,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513446900] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:13:17,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:13:17,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-25 14:13:17,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119801148] [2023-12-25 14:13:17,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:13:17,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-25 14:13:17,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:13:17,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-25 14:13:17,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-25 14:13:17,369 INFO L87 Difference]: Start difference. First operand 1628 states and 2655 transitions. Second operand has 11 states, 11 states have (on average 48.54545454545455) internal successors, (534), 11 states have internal predecessors, (534), 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 14:13:20,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:13:20,731 INFO L93 Difference]: Finished difference Result 5898 states and 9585 transitions. [2023-12-25 14:13:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 14:13:20,732 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 48.54545454545455) internal successors, (534), 11 states have internal predecessors, (534), 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 611 [2023-12-25 14:13:20,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:13:20,751 INFO L225 Difference]: With dead ends: 5898 [2023-12-25 14:13:20,751 INFO L226 Difference]: Without dead ends: 4743 [2023-12-25 14:13:20,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2023-12-25 14:13:20,754 INFO L413 NwaCegarLoop]: 2141 mSDtfsCounter, 10634 mSDsluCounter, 16273 mSDsCounter, 0 mSdLazyCounter, 6030 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10659 SdHoareTripleChecker+Valid, 18414 SdHoareTripleChecker+Invalid, 6102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 6030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:13:20,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10659 Valid, 18414 Invalid, 6102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 6030 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-25 14:13:20,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4743 states. [2023-12-25 14:13:20,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4743 to 2131. [2023-12-25 14:13:20,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2131 states, 2071 states have (on average 1.6180589087397392) internal successors, (3351), 2071 states have internal predecessors, (3351), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-25 14:13:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 3467 transitions. [2023-12-25 14:13:20,810 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 3467 transitions. Word has length 611 [2023-12-25 14:13:20,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:13:20,811 INFO L495 AbstractCegarLoop]: Abstraction has 2131 states and 3467 transitions. [2023-12-25 14:13:20,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 48.54545454545455) internal successors, (534), 11 states have internal predecessors, (534), 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 14:13:20,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 3467 transitions. [2023-12-25 14:13:20,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2023-12-25 14:13:20,815 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:13:20,815 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:13:20,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-25 14:13:20,816 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:13:20,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:13:20,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1502769173, now seen corresponding path program 1 times [2023-12-25 14:13:20,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:13:20,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855050170] [2023-12-25 14:13:20,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:13:20,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:13:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:23,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:13:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:23,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:13:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:23,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 14:13:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:23,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-12-25 14:13:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:23,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-12-25 14:13:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:23,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-12-25 14:13:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:23,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-12-25 14:13:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:23,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-12-25 14:13:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:23,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2023-12-25 14:13:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:23,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-12-25 14:13:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:23,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-12-25 14:13:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:23,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:13:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:23,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2023-12-25 14:13:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:23,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 14:13:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:23,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 14:13:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:23,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2023-12-25 14:13:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:23,286 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:13:23,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:13:23,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855050170] [2023-12-25 14:13:23,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855050170] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:13:23,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:13:23,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 14:13:23,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434552491] [2023-12-25 14:13:23,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:13:23,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 14:13:23,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:13:23,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 14:13:23,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:13:23,288 INFO L87 Difference]: Start difference. First operand 2131 states and 3467 transitions. Second operand has 6 states, 6 states have (on average 89.16666666666667) internal successors, (535), 6 states have internal predecessors, (535), 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 14:13:24,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:13:24,768 INFO L93 Difference]: Finished difference Result 6037 states and 9771 transitions. [2023-12-25 14:13:24,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 14:13:24,769 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 89.16666666666667) internal successors, (535), 6 states have internal predecessors, (535), 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 612 [2023-12-25 14:13:24,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:13:24,775 INFO L225 Difference]: With dead ends: 6037 [2023-12-25 14:13:24,776 INFO L226 Difference]: Without dead ends: 4646 [2023-12-25 14:13:24,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-25 14:13:24,779 INFO L413 NwaCegarLoop]: 1816 mSDtfsCounter, 1901 mSDsluCounter, 7325 mSDsCounter, 0 mSdLazyCounter, 2163 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1918 SdHoareTripleChecker+Valid, 9141 SdHoareTripleChecker+Invalid, 2184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-25 14:13:24,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1918 Valid, 9141 Invalid, 2184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2163 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-25 14:13:24,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4646 states. [2023-12-25 14:13:24,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4646 to 3299. [2023-12-25 14:13:24,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3299 states, 3179 states have (on average 1.603963510537905) internal successors, (5099), 3179 states have internal predecessors, (5099), 118 states have call successors, (118), 1 states have call predecessors, (118), 1 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118) [2023-12-25 14:13:24,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 3299 states and 5335 transitions. [2023-12-25 14:13:24,855 INFO L78 Accepts]: Start accepts. Automaton has 3299 states and 5335 transitions. Word has length 612 [2023-12-25 14:13:24,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:13:24,856 INFO L495 AbstractCegarLoop]: Abstraction has 3299 states and 5335 transitions. [2023-12-25 14:13:24,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 89.16666666666667) internal successors, (535), 6 states have internal predecessors, (535), 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 14:13:24,856 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 5335 transitions. [2023-12-25 14:13:24,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2023-12-25 14:13:24,861 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:13:24,862 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:13:24,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-25 14:13:24,862 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:13:24,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:13:24,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1309735557, now seen corresponding path program 1 times [2023-12-25 14:13:24,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:13:24,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906356765] [2023-12-25 14:13:24,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:13:24,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:13:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:27,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:13:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:27,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:13:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:27,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 14:13:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:27,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-12-25 14:13:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:27,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-12-25 14:13:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:27,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-12-25 14:13:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:27,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-12-25 14:13:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:27,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-12-25 14:13:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:27,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2023-12-25 14:13:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:27,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-12-25 14:13:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:27,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-12-25 14:13:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:27,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:13:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:27,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2023-12-25 14:13:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:27,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 14:13:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:27,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 14:13:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:27,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2023-12-25 14:13:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:27,653 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:13:27,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:13:27,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906356765] [2023-12-25 14:13:27,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906356765] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:13:27,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:13:27,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-25 14:13:27,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360229010] [2023-12-25 14:13:27,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:13:27,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-25 14:13:27,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:13:27,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-25 14:13:27,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-25 14:13:27,655 INFO L87 Difference]: Start difference. First operand 3299 states and 5335 transitions. Second operand has 11 states, 11 states have (on average 48.63636363636363) internal successors, (535), 11 states have internal predecessors, (535), 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 14:13:31,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:13:31,202 INFO L93 Difference]: Finished difference Result 9562 states and 15453 transitions. [2023-12-25 14:13:31,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 14:13:31,202 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 48.63636363636363) internal successors, (535), 11 states have internal predecessors, (535), 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 612 [2023-12-25 14:13:31,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:13:31,213 INFO L225 Difference]: With dead ends: 9562 [2023-12-25 14:13:31,213 INFO L226 Difference]: Without dead ends: 8418 [2023-12-25 14:13:31,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2023-12-25 14:13:31,218 INFO L413 NwaCegarLoop]: 2162 mSDtfsCounter, 13623 mSDsluCounter, 16410 mSDsCounter, 0 mSdLazyCounter, 6157 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13648 SdHoareTripleChecker+Valid, 18572 SdHoareTripleChecker+Invalid, 6223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 6157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:13:31,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13648 Valid, 18572 Invalid, 6223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 6157 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-12-25 14:13:31,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8418 states. [2023-12-25 14:13:31,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8418 to 5515. [2023-12-25 14:13:31,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5515 states, 5281 states have (on average 1.5968566559363757) internal successors, (8433), 5281 states have internal predecessors, (8433), 232 states have call successors, (232), 1 states have call predecessors, (232), 1 states have return successors, (232), 232 states have call predecessors, (232), 232 states have call successors, (232) [2023-12-25 14:13:31,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5515 states to 5515 states and 8897 transitions. [2023-12-25 14:13:31,364 INFO L78 Accepts]: Start accepts. Automaton has 5515 states and 8897 transitions. Word has length 612 [2023-12-25 14:13:31,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:13:31,365 INFO L495 AbstractCegarLoop]: Abstraction has 5515 states and 8897 transitions. [2023-12-25 14:13:31,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 48.63636363636363) internal successors, (535), 11 states have internal predecessors, (535), 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 14:13:31,365 INFO L276 IsEmpty]: Start isEmpty. Operand 5515 states and 8897 transitions. [2023-12-25 14:13:31,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2023-12-25 14:13:31,374 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:13:31,375 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:13:31,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-25 14:13:31,376 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:13:31,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:13:31,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1048538015, now seen corresponding path program 1 times [2023-12-25 14:13:31,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:13:31,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225202612] [2023-12-25 14:13:31,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:13:31,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:13:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:33,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:13:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:33,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:13:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:33,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 14:13:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:33,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-12-25 14:13:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:33,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-12-25 14:13:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:33,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-12-25 14:13:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:33,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-12-25 14:13:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:33,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-12-25 14:13:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:33,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2023-12-25 14:13:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:33,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-12-25 14:13:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:33,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-12-25 14:13:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:33,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:13:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:33,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2023-12-25 14:13:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:33,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 14:13:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:33,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 14:13:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:33,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2023-12-25 14:13:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:33,758 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:13:33,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:13:33,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225202612] [2023-12-25 14:13:33,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225202612] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:13:33,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:13:33,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 14:13:33,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840738030] [2023-12-25 14:13:33,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:13:33,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 14:13:33,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:13:33,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 14:13:33,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:13:33,761 INFO L87 Difference]: Start difference. First operand 5515 states and 8897 transitions. Second operand has 6 states, 6 states have (on average 89.33333333333333) internal successors, (536), 6 states have internal predecessors, (536), 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 14:13:34,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:13:34,402 INFO L93 Difference]: Finished difference Result 8966 states and 14457 transitions. [2023-12-25 14:13:34,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 14:13:34,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 89.33333333333333) internal successors, (536), 6 states have internal predecessors, (536), 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 613 [2023-12-25 14:13:34,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:13:34,414 INFO L225 Difference]: With dead ends: 8966 [2023-12-25 14:13:34,414 INFO L226 Difference]: Without dead ends: 7140 [2023-12-25 14:13:34,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-12-25 14:13:34,420 INFO L413 NwaCegarLoop]: 2133 mSDtfsCounter, 1747 mSDsluCounter, 8013 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1755 SdHoareTripleChecker+Valid, 10146 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 14:13:34,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1755 Valid, 10146 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 14:13:34,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7140 states. [2023-12-25 14:13:34,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7140 to 4455. [2023-12-25 14:13:34,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4455 states, 4277 states have (on average 1.6069675005845219) internal successors, (6873), 4277 states have internal predecessors, (6873), 176 states have call successors, (176), 1 states have call predecessors, (176), 1 states have return successors, (176), 176 states have call predecessors, (176), 176 states have call successors, (176) [2023-12-25 14:13:34,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4455 states to 4455 states and 7225 transitions. [2023-12-25 14:13:34,534 INFO L78 Accepts]: Start accepts. Automaton has 4455 states and 7225 transitions. Word has length 613 [2023-12-25 14:13:34,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:13:34,534 INFO L495 AbstractCegarLoop]: Abstraction has 4455 states and 7225 transitions. [2023-12-25 14:13:34,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 89.33333333333333) internal successors, (536), 6 states have internal predecessors, (536), 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 14:13:34,535 INFO L276 IsEmpty]: Start isEmpty. Operand 4455 states and 7225 transitions. [2023-12-25 14:13:34,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2023-12-25 14:13:34,541 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:13:34,542 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:13:34,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-25 14:13:34,542 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:13:34,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:13:34,542 INFO L85 PathProgramCache]: Analyzing trace with hash 851271369, now seen corresponding path program 1 times [2023-12-25 14:13:34,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:13:34,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306115452] [2023-12-25 14:13:34,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:13:34,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:13:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:36,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:13:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:36,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:13:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:36,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 14:13:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:36,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-12-25 14:13:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:36,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-12-25 14:13:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:36,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-12-25 14:13:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:36,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-12-25 14:13:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:36,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-12-25 14:13:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:36,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-12-25 14:13:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:36,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-12-25 14:13:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:36,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:13:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:36,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 14:13:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:36,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 14:13:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:36,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 14:13:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:36,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2023-12-25 14:13:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:36,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-12-25 14:13:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:36,775 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:13:36,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:13:36,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306115452] [2023-12-25 14:13:36,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306115452] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:13:36,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:13:36,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 14:13:36,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076497868] [2023-12-25 14:13:36,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:13:36,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 14:13:36,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:13:36,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 14:13:36,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 14:13:36,778 INFO L87 Difference]: Start difference. First operand 4455 states and 7225 transitions. Second operand has 9 states, 9 states have (on average 59.666666666666664) internal successors, (537), 9 states have internal predecessors, (537), 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 14:13:40,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:13:40,513 INFO L93 Difference]: Finished difference Result 9494 states and 15349 transitions. [2023-12-25 14:13:40,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-25 14:13:40,513 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 59.666666666666664) internal successors, (537), 9 states have internal predecessors, (537), 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 614 [2023-12-25 14:13:40,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:13:40,521 INFO L225 Difference]: With dead ends: 9494 [2023-12-25 14:13:40,521 INFO L226 Difference]: Without dead ends: 7832 [2023-12-25 14:13:40,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 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 14:13:40,523 INFO L413 NwaCegarLoop]: 2984 mSDtfsCounter, 7270 mSDsluCounter, 16183 mSDsCounter, 0 mSdLazyCounter, 7211 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7296 SdHoareTripleChecker+Valid, 19167 SdHoareTripleChecker+Invalid, 7241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 7211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-25 14:13:40,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7296 Valid, 19167 Invalid, 7241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 7211 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-25 14:13:40,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7832 states. [2023-12-25 14:13:40,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7832 to 4519. [2023-12-25 14:13:40,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4519 states, 4341 states have (on average 1.6035475696844046) internal successors, (6961), 4341 states have internal predecessors, (6961), 176 states have call successors, (176), 1 states have call predecessors, (176), 1 states have return successors, (176), 176 states have call predecessors, (176), 176 states have call successors, (176) [2023-12-25 14:13:40,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4519 states to 4519 states and 7313 transitions. [2023-12-25 14:13:40,650 INFO L78 Accepts]: Start accepts. Automaton has 4519 states and 7313 transitions. Word has length 614 [2023-12-25 14:13:40,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:13:40,650 INFO L495 AbstractCegarLoop]: Abstraction has 4519 states and 7313 transitions. [2023-12-25 14:13:40,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 59.666666666666664) internal successors, (537), 9 states have internal predecessors, (537), 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 14:13:40,651 INFO L276 IsEmpty]: Start isEmpty. Operand 4519 states and 7313 transitions. [2023-12-25 14:13:40,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2023-12-25 14:13:40,660 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:13:40,660 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:13:40,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-12-25 14:13:40,661 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:13:40,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:13:40,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1459222905, now seen corresponding path program 1 times [2023-12-25 14:13:40,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:13:40,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281736241] [2023-12-25 14:13:40,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:13:40,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:13:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:43,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:13:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:43,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:13:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:43,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 14:13:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:43,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-12-25 14:13:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:43,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-12-25 14:13:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:43,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-12-25 14:13:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:43,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-12-25 14:13:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:43,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-12-25 14:13:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:43,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-12-25 14:13:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:43,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 14:13:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:43,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:13:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:43,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:13:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:43,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:13:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:43,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-12-25 14:13:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:43,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-12-25 14:13:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:43,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2023-12-25 14:13:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:13:43,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:13:43,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281736241] [2023-12-25 14:13:43,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281736241] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:13:43,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:13:43,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 14:13:43,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304402866] [2023-12-25 14:13:43,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:13:43,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 14:13:43,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:13:43,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 14:13:43,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:13:43,202 INFO L87 Difference]: Start difference. First operand 4519 states and 7313 transitions. Second operand has 6 states, 6 states have (on average 89.66666666666667) internal successors, (538), 6 states have internal predecessors, (538), 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 14:13:44,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:13:44,263 INFO L93 Difference]: Finished difference Result 7965 states and 12849 transitions. [2023-12-25 14:13:44,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 14:13:44,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 89.66666666666667) internal successors, (538), 6 states have internal predecessors, (538), 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 615 [2023-12-25 14:13:44,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:13:44,271 INFO L225 Difference]: With dead ends: 7965 [2023-12-25 14:13:44,271 INFO L226 Difference]: Without dead ends: 6176 [2023-12-25 14:13:44,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 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 14:13:44,274 INFO L413 NwaCegarLoop]: 1613 mSDtfsCounter, 5414 mSDsluCounter, 4748 mSDsCounter, 0 mSdLazyCounter, 2172 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5438 SdHoareTripleChecker+Valid, 6361 SdHoareTripleChecker+Invalid, 2180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 14:13:44,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5438 Valid, 6361 Invalid, 2180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2172 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 14:13:44,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6176 states. [2023-12-25 14:13:44,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6176 to 4527. [2023-12-25 14:13:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4527 states, 4349 states have (on average 1.6024373419176823) internal successors, (6969), 4349 states have internal predecessors, (6969), 176 states have call successors, (176), 1 states have call predecessors, (176), 1 states have return successors, (176), 176 states have call predecessors, (176), 176 states have call successors, (176) [2023-12-25 14:13:44,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4527 states to 4527 states and 7321 transitions. [2023-12-25 14:13:44,512 INFO L78 Accepts]: Start accepts. Automaton has 4527 states and 7321 transitions. Word has length 615 [2023-12-25 14:13:44,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:13:44,513 INFO L495 AbstractCegarLoop]: Abstraction has 4527 states and 7321 transitions. [2023-12-25 14:13:44,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 89.66666666666667) internal successors, (538), 6 states have internal predecessors, (538), 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 14:13:44,513 INFO L276 IsEmpty]: Start isEmpty. Operand 4527 states and 7321 transitions. [2023-12-25 14:13:44,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2023-12-25 14:13:44,525 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:13:44,525 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:13:44,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-12-25 14:13:44,540 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:13:44,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:13:44,540 INFO L85 PathProgramCache]: Analyzing trace with hash -362536581, now seen corresponding path program 1 times [2023-12-25 14:13:44,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:13:44,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565358474] [2023-12-25 14:13:44,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:13:44,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:13:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:46,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-25 14:13:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:46,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-25 14:13:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:46,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-25 14:13:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:46,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-12-25 14:13:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:46,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-12-25 14:13:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:46,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-12-25 14:13:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:46,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-12-25 14:13:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:46,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-12-25 14:13:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:46,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-12-25 14:13:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:46,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 14:13:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:46,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 14:13:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:46,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 14:13:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:46,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:13:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:46,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-12-25 14:13:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:46,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-12-25 14:13:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:46,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2023-12-25 14:13:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:46,546 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:13:46,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:13:46,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565358474] [2023-12-25 14:13:46,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565358474] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:13:46,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:13:46,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 14:13:46,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369501387] [2023-12-25 14:13:46,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:13:46,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 14:13:46,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:13:46,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 14:13:46,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-25 14:13:46,548 INFO L87 Difference]: Start difference. First operand 4527 states and 7321 transitions. Second operand has 7 states, 7 states have (on average 76.85714285714286) internal successors, (538), 7 states have internal predecessors, (538), 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 14:13:47,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:13:47,383 INFO L93 Difference]: Finished difference Result 10112 states and 16186 transitions. [2023-12-25 14:13:47,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 14:13:47,384 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 76.85714285714286) internal successors, (538), 7 states have internal predecessors, (538), 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 615 [2023-12-25 14:13:47,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:13:47,389 INFO L225 Difference]: With dead ends: 10112 [2023-12-25 14:13:47,389 INFO L226 Difference]: Without dead ends: 4604 [2023-12-25 14:13:47,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-12-25 14:13:47,394 INFO L413 NwaCegarLoop]: 2127 mSDtfsCounter, 4155 mSDsluCounter, 6231 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4155 SdHoareTripleChecker+Valid, 8358 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:13:47,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4155 Valid, 8358 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 14:13:47,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4604 states. [2023-12-25 14:13:47,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4604 to 4559. [2023-12-25 14:13:47,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4559 states, 4381 states have (on average 1.594384843643004) internal successors, (6985), 4381 states have internal predecessors, (6985), 176 states have call successors, (176), 1 states have call predecessors, (176), 1 states have return successors, (176), 176 states have call predecessors, (176), 176 states have call successors, (176) [2023-12-25 14:13:47,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4559 states to 4559 states and 7337 transitions. [2023-12-25 14:13:47,505 INFO L78 Accepts]: Start accepts. Automaton has 4559 states and 7337 transitions. Word has length 615 [2023-12-25 14:13:47,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:13:47,505 INFO L495 AbstractCegarLoop]: Abstraction has 4559 states and 7337 transitions. [2023-12-25 14:13:47,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 76.85714285714286) internal successors, (538), 7 states have internal predecessors, (538), 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 14:13:47,505 INFO L276 IsEmpty]: Start isEmpty. Operand 4559 states and 7337 transitions. [2023-12-25 14:13:47,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2023-12-25 14:13:47,515 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:13:47,515 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:13:47,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-12-25 14:13:47,515 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:13:47,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:13:47,516 INFO L85 PathProgramCache]: Analyzing trace with hash 321337475, now seen corresponding path program 1 times [2023-12-25 14:13:47,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:13:47,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238109719] [2023-12-25 14:13:47,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:13:47,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:13:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:50,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:13:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:50,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:13:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:50,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:13:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:50,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:13:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:50,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:13:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:50,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:13:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:50,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:13:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:50,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-12-25 14:13:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:50,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-12-25 14:13:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:50,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:13:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:50,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-12-25 14:13:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:50,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:13:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:50,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:13:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:50,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:13:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:50,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:13:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:50,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-12-25 14:13:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:50,598 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:13:50,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:13:50,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238109719] [2023-12-25 14:13:50,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238109719] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:13:50,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:13:50,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 14:13:50,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769455189] [2023-12-25 14:13:50,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:13:50,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 14:13:50,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:13:50,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 14:13:50,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-25 14:13:50,601 INFO L87 Difference]: Start difference. First operand 4559 states and 7337 transitions. Second operand has 8 states, 8 states have (on average 67.375) internal successors, (539), 8 states have internal predecessors, (539), 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 14:13:51,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:13:51,159 INFO L93 Difference]: Finished difference Result 8132 states and 13133 transitions. [2023-12-25 14:13:51,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 14:13:51,160 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 67.375) internal successors, (539), 8 states have internal predecessors, (539), 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 616 [2023-12-25 14:13:51,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:13:51,167 INFO L225 Difference]: With dead ends: 8132 [2023-12-25 14:13:51,167 INFO L226 Difference]: Without dead ends: 6936 [2023-12-25 14:13:51,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-12-25 14:13:51,169 INFO L413 NwaCegarLoop]: 2500 mSDtfsCounter, 13507 mSDsluCounter, 11859 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13523 SdHoareTripleChecker+Valid, 14359 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 14:13:51,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13523 Valid, 14359 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 14:13:51,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6936 states. [2023-12-25 14:13:51,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6936 to 4563. [2023-12-25 14:13:51,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4563 states, 4385 states have (on average 1.5929304446978336) internal successors, (6985), 4385 states have internal predecessors, (6985), 176 states have call successors, (176), 1 states have call predecessors, (176), 1 states have return successors, (176), 176 states have call predecessors, (176), 176 states have call successors, (176) [2023-12-25 14:13:51,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4563 states to 4563 states and 7337 transitions. [2023-12-25 14:13:51,278 INFO L78 Accepts]: Start accepts. Automaton has 4563 states and 7337 transitions. Word has length 616 [2023-12-25 14:13:51,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:13:51,279 INFO L495 AbstractCegarLoop]: Abstraction has 4563 states and 7337 transitions. [2023-12-25 14:13:51,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 67.375) internal successors, (539), 8 states have internal predecessors, (539), 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 14:13:51,279 INFO L276 IsEmpty]: Start isEmpty. Operand 4563 states and 7337 transitions. [2023-12-25 14:13:51,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2023-12-25 14:13:51,286 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:13:51,286 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:13:51,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-12-25 14:13:51,286 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:13:51,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:13:51,286 INFO L85 PathProgramCache]: Analyzing trace with hash 957884959, now seen corresponding path program 1 times [2023-12-25 14:13:51,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:13:51,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110079306] [2023-12-25 14:13:51,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:13:51,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:13:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:54,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:13:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:54,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:13:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:54,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:13:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:54,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:13:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:54,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:13:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:54,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:13:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:54,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:13:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:54,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-12-25 14:13:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:54,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-12-25 14:13:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:54,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 14:13:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:54,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-12-25 14:13:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:54,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 14:13:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:54,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 14:13:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:54,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:13:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:54,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 14:13:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:54,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-12-25 14:13:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:54,013 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:13:54,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:13:54,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110079306] [2023-12-25 14:13:54,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110079306] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:13:54,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:13:54,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 14:13:54,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505023058] [2023-12-25 14:13:54,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:13:54,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 14:13:54,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:13:54,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 14:13:54,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 14:13:54,014 INFO L87 Difference]: Start difference. First operand 4563 states and 7337 transitions. Second operand has 9 states, 9 states have (on average 59.888888888888886) internal successors, (539), 9 states have internal predecessors, (539), 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 14:13:56,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:13:56,894 INFO L93 Difference]: Finished difference Result 10552 states and 16893 transitions. [2023-12-25 14:13:56,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-25 14:13:56,894 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 59.888888888888886) internal successors, (539), 9 states have internal predecessors, (539), 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 616 [2023-12-25 14:13:56,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:13:56,904 INFO L225 Difference]: With dead ends: 10552 [2023-12-25 14:13:56,904 INFO L226 Difference]: Without dead ends: 8592 [2023-12-25 14:13:56,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 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 14:13:56,917 INFO L413 NwaCegarLoop]: 1926 mSDtfsCounter, 10192 mSDsluCounter, 10801 mSDsCounter, 0 mSdLazyCounter, 4804 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10217 SdHoareTripleChecker+Valid, 12727 SdHoareTripleChecker+Invalid, 4838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 4804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-25 14:13:56,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10217 Valid, 12727 Invalid, 4838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 4804 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-25 14:13:56,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8592 states. [2023-12-25 14:13:57,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8592 to 4691. [2023-12-25 14:13:57,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4691 states, 4513 states have (on average 1.5867493906492356) internal successors, (7161), 4513 states have internal predecessors, (7161), 176 states have call successors, (176), 1 states have call predecessors, (176), 1 states have return successors, (176), 176 states have call predecessors, (176), 176 states have call successors, (176) [2023-12-25 14:13:57,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4691 states to 4691 states and 7513 transitions. [2023-12-25 14:13:57,164 INFO L78 Accepts]: Start accepts. Automaton has 4691 states and 7513 transitions. Word has length 616 [2023-12-25 14:13:57,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:13:57,165 INFO L495 AbstractCegarLoop]: Abstraction has 4691 states and 7513 transitions. [2023-12-25 14:13:57,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 59.888888888888886) internal successors, (539), 9 states have internal predecessors, (539), 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 14:13:57,165 INFO L276 IsEmpty]: Start isEmpty. Operand 4691 states and 7513 transitions. [2023-12-25 14:13:57,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2023-12-25 14:13:57,188 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:13:57,189 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:13:57,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-12-25 14:13:57,189 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:13:57,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:13:57,189 INFO L85 PathProgramCache]: Analyzing trace with hash -833403497, now seen corresponding path program 1 times [2023-12-25 14:13:57,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:13:57,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999115208] [2023-12-25 14:13:57,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:13:57,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:13:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:59,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:13:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:59,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:13:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:59,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:13:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:59,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:13:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:59,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:13:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:59,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:13:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:59,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:13:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:59,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:13:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:59,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:13:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:59,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:13:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:59,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:13:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:59,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:13:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:59,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:13:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:59,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:13:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:59,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:13:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:59,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:13:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:13:59,698 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:13:59,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:13:59,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999115208] [2023-12-25 14:13:59,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999115208] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:13:59,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:13:59,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:13:59,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852480160] [2023-12-25 14:13:59,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:13:59,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:13:59,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:13:59,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:13:59,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:13:59,700 INFO L87 Difference]: Start difference. First operand 4691 states and 7513 transitions. Second operand has 5 states, 5 states have (on average 108.0) internal successors, (540), 5 states have internal predecessors, (540), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-25 14:14:00,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:00,599 INFO L93 Difference]: Finished difference Result 5835 states and 9369 transitions. [2023-12-25 14:14:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 14:14:00,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.0) internal successors, (540), 5 states have internal predecessors, (540), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 617 [2023-12-25 14:14:00,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:00,607 INFO L225 Difference]: With dead ends: 5835 [2023-12-25 14:14:00,607 INFO L226 Difference]: Without dead ends: 4695 [2023-12-25 14:14:00,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:14:00,609 INFO L413 NwaCegarLoop]: 1614 mSDtfsCounter, 1942 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 1620 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1942 SdHoareTripleChecker+Valid, 4824 SdHoareTripleChecker+Invalid, 1621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 14:14:00,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1942 Valid, 4824 Invalid, 1621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1620 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 14:14:00,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4695 states. [2023-12-25 14:14:00,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4695 to 4693. [2023-12-25 14:14:00,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4693 states, 4515 states have (on average 1.5864894795127353) internal successors, (7163), 4515 states have internal predecessors, (7163), 176 states have call successors, (176), 1 states have call predecessors, (176), 1 states have return successors, (176), 176 states have call predecessors, (176), 176 states have call successors, (176) [2023-12-25 14:14:00,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 7515 transitions. [2023-12-25 14:14:00,747 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 7515 transitions. Word has length 617 [2023-12-25 14:14:00,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:00,748 INFO L495 AbstractCegarLoop]: Abstraction has 4693 states and 7515 transitions. [2023-12-25 14:14:00,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.0) internal successors, (540), 5 states have internal predecessors, (540), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-25 14:14:00,748 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 7515 transitions. [2023-12-25 14:14:00,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2023-12-25 14:14:00,754 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:00,754 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:14:00,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-12-25 14:14:00,754 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:00,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:00,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1012804877, now seen corresponding path program 1 times [2023-12-25 14:14:00,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:00,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640253359] [2023-12-25 14:14:00,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:00,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:14:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:02,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:14:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:02,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:14:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:02,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:14:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:02,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:14:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:02,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:14:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:02,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:14:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:02,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:14:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:02,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:14:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:02,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:14:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:02,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:14:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:02,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:14:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:02,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:14:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:02,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:14:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:02,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:14:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:02,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:14:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:02,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:14:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:02,897 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:14:02,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:14:02,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640253359] [2023-12-25 14:14:02,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640253359] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:14:02,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:14:02,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:14:02,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462242035] [2023-12-25 14:14:02,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:14:02,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:14:02,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:14:02,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:14:02,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:14:02,899 INFO L87 Difference]: Start difference. First operand 4693 states and 7515 transitions. Second operand has 4 states, 4 states have (on average 135.25) internal successors, (541), 4 states have internal predecessors, (541), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-25 14:14:03,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:03,650 INFO L93 Difference]: Finished difference Result 5835 states and 9367 transitions. [2023-12-25 14:14:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:14:03,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 135.25) internal successors, (541), 4 states have internal predecessors, (541), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 618 [2023-12-25 14:14:03,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:03,655 INFO L225 Difference]: With dead ends: 5835 [2023-12-25 14:14:03,656 INFO L226 Difference]: Without dead ends: 4693 [2023-12-25 14:14:03,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:14:03,658 INFO L413 NwaCegarLoop]: 1615 mSDtfsCounter, 1811 mSDsluCounter, 1615 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1811 SdHoareTripleChecker+Valid, 3230 SdHoareTripleChecker+Invalid, 1068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 14:14:03,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1811 Valid, 3230 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 14:14:03,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4693 states. [2023-12-25 14:14:03,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4693 to 4693. [2023-12-25 14:14:03,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4693 states, 4515 states have (on average 1.5862679955703212) internal successors, (7162), 4515 states have internal predecessors, (7162), 176 states have call successors, (176), 1 states have call predecessors, (176), 1 states have return successors, (176), 176 states have call predecessors, (176), 176 states have call successors, (176) [2023-12-25 14:14:03,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 7514 transitions. [2023-12-25 14:14:03,765 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 7514 transitions. Word has length 618 [2023-12-25 14:14:03,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:03,766 INFO L495 AbstractCegarLoop]: Abstraction has 4693 states and 7514 transitions. [2023-12-25 14:14:03,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 135.25) internal successors, (541), 4 states have internal predecessors, (541), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-25 14:14:03,766 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 7514 transitions. [2023-12-25 14:14:03,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2023-12-25 14:14:03,772 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:03,772 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:14:03,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-12-25 14:14:03,773 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:03,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:03,773 INFO L85 PathProgramCache]: Analyzing trace with hash 198834195, now seen corresponding path program 1 times [2023-12-25 14:14:03,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:03,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268175310] [2023-12-25 14:14:03,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:03,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:14:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:06,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:14:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:06,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:14:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:06,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:14:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:06,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:14:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:06,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:14:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:06,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:14:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:06,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:14:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:06,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:14:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:06,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:14:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:06,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:14:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:06,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:14:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:06,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:14:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:06,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:14:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:06,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:14:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:06,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:14:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:06,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:14:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:06,982 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-25 14:14:06,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:14:06,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268175310] [2023-12-25 14:14:06,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268175310] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:14:06,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:14:06,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 14:14:06,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116213922] [2023-12-25 14:14:06,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:14:06,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 14:14:06,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:14:06,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 14:14:06,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:14:06,984 INFO L87 Difference]: Start difference. First operand 4693 states and 7514 transitions. Second operand has 6 states, 6 states have (on average 90.33333333333333) internal successors, (542), 6 states have internal predecessors, (542), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-25 14:14:07,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:07,444 INFO L93 Difference]: Finished difference Result 7555 states and 12142 transitions. [2023-12-25 14:14:07,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 14:14:07,445 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 90.33333333333333) internal successors, (542), 6 states have internal predecessors, (542), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 619 [2023-12-25 14:14:07,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:07,460 INFO L225 Difference]: With dead ends: 7555 [2023-12-25 14:14:07,461 INFO L226 Difference]: Without dead ends: 6413 [2023-12-25 14:14:07,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-12-25 14:14:07,469 INFO L413 NwaCegarLoop]: 2981 mSDtfsCounter, 9539 mSDsluCounter, 6367 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9555 SdHoareTripleChecker+Valid, 9348 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:14:07,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9555 Valid, 9348 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:14:07,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6413 states. [2023-12-25 14:14:07,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6413 to 5284. [2023-12-25 14:14:07,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.5856581532416503) internal successors, (8071), 5090 states have internal predecessors, (8071), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:14:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8455 transitions. [2023-12-25 14:14:07,611 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8455 transitions. Word has length 619 [2023-12-25 14:14:07,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:07,611 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8455 transitions. [2023-12-25 14:14:07,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 90.33333333333333) internal successors, (542), 6 states have internal predecessors, (542), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-25 14:14:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8455 transitions. [2023-12-25 14:14:07,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1458 [2023-12-25 14:14:07,628 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:07,629 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:14:07,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-12-25 14:14:07,629 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:07,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:07,629 INFO L85 PathProgramCache]: Analyzing trace with hash 852113648, now seen corresponding path program 1 times [2023-12-25 14:14:07,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:07,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525991439] [2023-12-25 14:14:07,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:07,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:14:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:14:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:14:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:14:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:14:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:14:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:14:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:14:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:14:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:14:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:14:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:14:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:14:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:14:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:14:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:14:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:14:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 987 [2023-12-25 14:14:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1001 [2023-12-25 14:14:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2023-12-25 14:14:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1029 [2023-12-25 14:14:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1043 [2023-12-25 14:14:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1062 [2023-12-25 14:14:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1081 [2023-12-25 14:14:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1098 [2023-12-25 14:14:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1117 [2023-12-25 14:14:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1136 [2023-12-25 14:14:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1147 [2023-12-25 14:14:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2023-12-25 14:14:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1171 [2023-12-25 14:14:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1183 [2023-12-25 14:14:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2023-12-25 14:14:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1207 [2023-12-25 14:14:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:10,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:14:10,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:14:10,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525991439] [2023-12-25 14:14:10,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525991439] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:14:10,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:14:10,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:14:10,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407481134] [2023-12-25 14:14:10,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:14:10,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:14:10,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:14:10,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:14:10,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:14:10,499 INFO L87 Difference]: Start difference. First operand 5284 states and 8455 transitions. Second operand has 5 states, 5 states have (on average 260.0) internal successors, (1300), 5 states have internal predecessors, (1300), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:10,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:10,762 INFO L93 Difference]: Finished difference Result 6426 states and 10306 transitions. [2023-12-25 14:14:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:14:10,763 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 260.0) internal successors, (1300), 5 states have internal predecessors, (1300), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 1457 [2023-12-25 14:14:10,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:10,768 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:14:10,769 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:14:10,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:14:10,771 INFO L413 NwaCegarLoop]: 2038 mSDtfsCounter, 3263 mSDsluCounter, 2040 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3268 SdHoareTripleChecker+Valid, 4078 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 14:14:10,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3268 Valid, 4078 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:14:10,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:14:10,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:14:10,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.5854616895874263) internal successors, (8070), 5090 states have internal predecessors, (8070), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:14:10,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8454 transitions. [2023-12-25 14:14:10,911 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8454 transitions. Word has length 1457 [2023-12-25 14:14:10,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:10,912 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8454 transitions. [2023-12-25 14:14:10,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 260.0) internal successors, (1300), 5 states have internal predecessors, (1300), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:10,913 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8454 transitions. [2023-12-25 14:14:10,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1459 [2023-12-25 14:14:10,931 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:10,932 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-25 14:14:10,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-12-25 14:14:10,932 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:10,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:10,933 INFO L85 PathProgramCache]: Analyzing trace with hash 149588904, now seen corresponding path program 1 times [2023-12-25 14:14:10,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:10,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569826708] [2023-12-25 14:14:10,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:10,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:14:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:14:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:14:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:14:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:14:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:14:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:14:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:14:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:14:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:14:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:14:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:14:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:14:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:14:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:14:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:14:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:14:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2023-12-25 14:14:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1002 [2023-12-25 14:14:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2023-12-25 14:14:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1030 [2023-12-25 14:14:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1044 [2023-12-25 14:14:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1063 [2023-12-25 14:14:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1082 [2023-12-25 14:14:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1099 [2023-12-25 14:14:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1118 [2023-12-25 14:14:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2023-12-25 14:14:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1148 [2023-12-25 14:14:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1160 [2023-12-25 14:14:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1172 [2023-12-25 14:14:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2023-12-25 14:14:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1196 [2023-12-25 14:14:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1208 [2023-12-25 14:14:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:13,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:14:13,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:14:13,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569826708] [2023-12-25 14:14:13,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569826708] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:14:13,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:14:13,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:14:13,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120515475] [2023-12-25 14:14:13,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:14:13,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:14:13,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:14:13,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:14:13,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:14:13,320 INFO L87 Difference]: Start difference. First operand 5284 states and 8454 transitions. Second operand has 5 states, 5 states have (on average 260.2) internal successors, (1301), 5 states have internal predecessors, (1301), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:13,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:13,606 INFO L93 Difference]: Finished difference Result 6426 states and 10304 transitions. [2023-12-25 14:14:13,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:14:13,607 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 260.2) internal successors, (1301), 5 states have internal predecessors, (1301), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 1458 [2023-12-25 14:14:13,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:13,612 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:14:13,612 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:14:13,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:14:13,614 INFO L413 NwaCegarLoop]: 2038 mSDtfsCounter, 3247 mSDsluCounter, 2040 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3252 SdHoareTripleChecker+Valid, 4078 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 14:14:13,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3252 Valid, 4078 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:14:13,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:14:13,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:14:13,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.5852652259332023) internal successors, (8069), 5090 states have internal predecessors, (8069), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:14:13,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8453 transitions. [2023-12-25 14:14:13,773 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8453 transitions. Word has length 1458 [2023-12-25 14:14:13,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:13,773 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8453 transitions. [2023-12-25 14:14:13,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 260.2) internal successors, (1301), 5 states have internal predecessors, (1301), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:13,774 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8453 transitions. [2023-12-25 14:14:13,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1460 [2023-12-25 14:14:13,790 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:13,791 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-25 14:14:13,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-12-25 14:14:13,791 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:13,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:13,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1962467966, now seen corresponding path program 1 times [2023-12-25 14:14:13,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:13,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232665656] [2023-12-25 14:14:13,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:13,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:14:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:14:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:14:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:14:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:14:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:14:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:14:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:14:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:14:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:14:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:14:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:14:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:14:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:14:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:14:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:14:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:14:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2023-12-25 14:14:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1003 [2023-12-25 14:14:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1017 [2023-12-25 14:14:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1031 [2023-12-25 14:14:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1045 [2023-12-25 14:14:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2023-12-25 14:14:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1083 [2023-12-25 14:14:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1100 [2023-12-25 14:14:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1119 [2023-12-25 14:14:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1138 [2023-12-25 14:14:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1149 [2023-12-25 14:14:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1161 [2023-12-25 14:14:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1173 [2023-12-25 14:14:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1185 [2023-12-25 14:14:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1197 [2023-12-25 14:14:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2023-12-25 14:14:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:16,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:14:16,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:14:16,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232665656] [2023-12-25 14:14:16,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232665656] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:14:16,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:14:16,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:14:16,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523083685] [2023-12-25 14:14:16,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:14:16,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:14:16,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:14:16,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:14:16,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:14:16,174 INFO L87 Difference]: Start difference. First operand 5284 states and 8453 transitions. Second operand has 5 states, 5 states have (on average 260.4) internal successors, (1302), 5 states have internal predecessors, (1302), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:14:16,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:16,952 INFO L93 Difference]: Finished difference Result 6426 states and 10302 transitions. [2023-12-25 14:14:16,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:14:16,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 260.4) internal successors, (1302), 5 states have internal predecessors, (1302), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 1459 [2023-12-25 14:14:16,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:16,958 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:14:16,958 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:14:16,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:14:16,961 INFO L413 NwaCegarLoop]: 1583 mSDtfsCounter, 3190 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3190 SdHoareTripleChecker+Valid, 3168 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 14:14:16,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3190 Valid, 3168 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 14:14:16,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:14:17,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:14:17,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.5850687622789783) internal successors, (8068), 5090 states have internal predecessors, (8068), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:14:17,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8452 transitions. [2023-12-25 14:14:17,096 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8452 transitions. Word has length 1459 [2023-12-25 14:14:17,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:17,097 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8452 transitions. [2023-12-25 14:14:17,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 260.4) internal successors, (1302), 5 states have internal predecessors, (1302), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:14:17,097 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8452 transitions. [2023-12-25 14:14:17,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1461 [2023-12-25 14:14:17,118 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:17,119 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:14:17,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-12-25 14:14:17,119 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:17,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:17,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1156987766, now seen corresponding path program 1 times [2023-12-25 14:14:17,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:17,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598556283] [2023-12-25 14:14:17,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:17,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:14:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:14:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:14:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:14:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:14:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:14:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:14:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:14:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:14:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:14:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:14:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:14:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:14:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:14:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:14:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:14:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:14:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 990 [2023-12-25 14:14:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2023-12-25 14:14:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1018 [2023-12-25 14:14:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1032 [2023-12-25 14:14:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1046 [2023-12-25 14:14:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1065 [2023-12-25 14:14:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1084 [2023-12-25 14:14:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1101 [2023-12-25 14:14:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1120 [2023-12-25 14:14:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2023-12-25 14:14:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2023-12-25 14:14:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1162 [2023-12-25 14:14:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1174 [2023-12-25 14:14:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2023-12-25 14:14:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1198 [2023-12-25 14:14:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2023-12-25 14:14:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:19,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:14:19,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:14:19,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598556283] [2023-12-25 14:14:19,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598556283] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:14:19,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:14:19,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:14:19,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510888628] [2023-12-25 14:14:19,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:14:19,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:14:19,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:14:19,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:14:19,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:14:19,533 INFO L87 Difference]: Start difference. First operand 5284 states and 8452 transitions. Second operand has 5 states, 5 states have (on average 260.6) internal successors, (1303), 5 states have internal predecessors, (1303), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:19,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:19,801 INFO L93 Difference]: Finished difference Result 6426 states and 10300 transitions. [2023-12-25 14:14:19,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:14:19,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 260.6) internal successors, (1303), 5 states have internal predecessors, (1303), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 1460 [2023-12-25 14:14:19,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:19,806 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:14:19,806 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:14:19,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:14:19,819 INFO L413 NwaCegarLoop]: 2037 mSDtfsCounter, 1666 mSDsluCounter, 2058 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1671 SdHoareTripleChecker+Valid, 4095 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:14:19,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1671 Valid, 4095 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:14:19,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:14:19,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:14:19,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.5848722986247543) internal successors, (8067), 5090 states have internal predecessors, (8067), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:14:19,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8451 transitions. [2023-12-25 14:14:19,951 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8451 transitions. Word has length 1460 [2023-12-25 14:14:19,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:19,952 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8451 transitions. [2023-12-25 14:14:19,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 260.6) internal successors, (1303), 5 states have internal predecessors, (1303), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:19,952 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8451 transitions. [2023-12-25 14:14:19,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1462 [2023-12-25 14:14:19,969 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:19,970 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-25 14:14:19,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-12-25 14:14:19,970 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:19,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:19,970 INFO L85 PathProgramCache]: Analyzing trace with hash 351125382, now seen corresponding path program 1 times [2023-12-25 14:14:19,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:19,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946139045] [2023-12-25 14:14:19,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:19,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:14:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:14:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:14:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:14:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:14:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:14:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:14:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:14:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:14:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:14:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:14:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:14:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:14:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:14:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:14:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:14:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:14:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 991 [2023-12-25 14:14:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1005 [2023-12-25 14:14:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2023-12-25 14:14:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2023-12-25 14:14:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1047 [2023-12-25 14:14:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1066 [2023-12-25 14:14:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1085 [2023-12-25 14:14:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1102 [2023-12-25 14:14:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1121 [2023-12-25 14:14:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1140 [2023-12-25 14:14:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1151 [2023-12-25 14:14:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1163 [2023-12-25 14:14:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1175 [2023-12-25 14:14:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1187 [2023-12-25 14:14:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2023-12-25 14:14:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1211 [2023-12-25 14:14:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:22,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:14:22,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:14:22,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946139045] [2023-12-25 14:14:22,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946139045] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:14:22,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:14:22,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:14:22,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616080663] [2023-12-25 14:14:22,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:14:22,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:14:22,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:14:22,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:14:22,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:14:22,729 INFO L87 Difference]: Start difference. First operand 5284 states and 8451 transitions. Second operand has 5 states, 5 states have (on average 260.8) internal successors, (1304), 5 states have internal predecessors, (1304), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:23,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:23,062 INFO L93 Difference]: Finished difference Result 6426 states and 10298 transitions. [2023-12-25 14:14:23,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:14:23,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 260.8) internal successors, (1304), 5 states have internal predecessors, (1304), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 1461 [2023-12-25 14:14:23,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:23,066 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:14:23,067 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:14:23,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:14:23,068 INFO L413 NwaCegarLoop]: 2037 mSDtfsCounter, 1658 mSDsluCounter, 2058 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1663 SdHoareTripleChecker+Valid, 4095 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:14:23,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1663 Valid, 4095 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:14:23,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:14:23,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:14:23,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.5846758349705306) internal successors, (8066), 5090 states have internal predecessors, (8066), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:14:23,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8450 transitions. [2023-12-25 14:14:23,205 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8450 transitions. Word has length 1461 [2023-12-25 14:14:23,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:23,205 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8450 transitions. [2023-12-25 14:14:23,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 260.8) internal successors, (1304), 5 states have internal predecessors, (1304), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:23,206 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8450 transitions. [2023-12-25 14:14:23,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1463 [2023-12-25 14:14:23,224 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:23,224 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-25 14:14:23,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-12-25 14:14:23,225 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:23,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:23,225 INFO L85 PathProgramCache]: Analyzing trace with hash 302062340, now seen corresponding path program 1 times [2023-12-25 14:14:23,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:23,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759400974] [2023-12-25 14:14:23,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:23,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:14:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:14:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:14:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:14:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:14:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:14:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:14:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:14:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:14:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:14:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:14:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:14:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:14:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:14:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:14:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:14:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:14:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 992 [2023-12-25 14:14:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2023-12-25 14:14:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1020 [2023-12-25 14:14:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2023-12-25 14:14:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1048 [2023-12-25 14:14:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1067 [2023-12-25 14:14:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1086 [2023-12-25 14:14:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1103 [2023-12-25 14:14:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2023-12-25 14:14:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2023-12-25 14:14:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2023-12-25 14:14:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1164 [2023-12-25 14:14:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1176 [2023-12-25 14:14:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1188 [2023-12-25 14:14:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2023-12-25 14:14:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1212 [2023-12-25 14:14:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:25,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:14:25,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:14:25,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759400974] [2023-12-25 14:14:25,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759400974] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:14:25,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:14:25,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:14:25,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319516987] [2023-12-25 14:14:25,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:14:25,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:14:25,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:14:25,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:14:25,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:14:25,847 INFO L87 Difference]: Start difference. First operand 5284 states and 8450 transitions. Second operand has 5 states, 5 states have (on average 261.0) internal successors, (1305), 5 states have internal predecessors, (1305), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:14:26,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:26,633 INFO L93 Difference]: Finished difference Result 6426 states and 10296 transitions. [2023-12-25 14:14:26,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:14:26,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 261.0) internal successors, (1305), 5 states have internal predecessors, (1305), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 1462 [2023-12-25 14:14:26,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:26,639 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:14:26,639 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:14:26,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:14:26,640 INFO L413 NwaCegarLoop]: 1581 mSDtfsCounter, 1609 mSDsluCounter, 1602 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1609 SdHoareTripleChecker+Valid, 3183 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:14:26,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1609 Valid, 3183 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 14:14:26,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:14:26,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:14:26,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.5844793713163066) internal successors, (8065), 5090 states have internal predecessors, (8065), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:14:26,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8449 transitions. [2023-12-25 14:14:26,783 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8449 transitions. Word has length 1462 [2023-12-25 14:14:26,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:26,784 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8449 transitions. [2023-12-25 14:14:26,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 261.0) internal successors, (1305), 5 states have internal predecessors, (1305), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:14:26,784 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8449 transitions. [2023-12-25 14:14:26,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1464 [2023-12-25 14:14:26,803 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:26,804 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:14:26,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-12-25 14:14:26,805 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:26,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:26,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1236553556, now seen corresponding path program 1 times [2023-12-25 14:14:26,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:26,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315065331] [2023-12-25 14:14:26,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:26,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:14:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:14:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:14:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:14:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:14:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:14:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:14:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:14:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:14:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:14:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:14:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:14:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:14:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:14:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:14:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:14:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:14:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 993 [2023-12-25 14:14:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1007 [2023-12-25 14:14:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1021 [2023-12-25 14:14:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1035 [2023-12-25 14:14:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2023-12-25 14:14:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1068 [2023-12-25 14:14:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2023-12-25 14:14:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2023-12-25 14:14:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2023-12-25 14:14:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1142 [2023-12-25 14:14:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1153 [2023-12-25 14:14:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1165 [2023-12-25 14:14:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2023-12-25 14:14:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1189 [2023-12-25 14:14:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1201 [2023-12-25 14:14:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1213 [2023-12-25 14:14:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:14:29,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:14:29,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315065331] [2023-12-25 14:14:29,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315065331] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:14:29,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:14:29,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:14:29,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55557038] [2023-12-25 14:14:29,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:14:29,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:14:29,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:14:29,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:14:29,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:14:29,239 INFO L87 Difference]: Start difference. First operand 5284 states and 8449 transitions. Second operand has 5 states, 5 states have (on average 261.2) internal successors, (1306), 5 states have internal predecessors, (1306), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:29,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:29,480 INFO L93 Difference]: Finished difference Result 6426 states and 10294 transitions. [2023-12-25 14:14:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:14:29,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 261.2) internal successors, (1306), 5 states have internal predecessors, (1306), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 1463 [2023-12-25 14:14:29,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:29,501 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:14:29,501 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:14:29,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:14:29,503 INFO L413 NwaCegarLoop]: 2036 mSDtfsCounter, 1608 mSDsluCounter, 2057 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1613 SdHoareTripleChecker+Valid, 4093 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:14:29,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1613 Valid, 4093 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:14:29,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:14:29,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:14:29,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.5842829076620826) internal successors, (8064), 5090 states have internal predecessors, (8064), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:14:29,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8448 transitions. [2023-12-25 14:14:29,631 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8448 transitions. Word has length 1463 [2023-12-25 14:14:29,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:29,632 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8448 transitions. [2023-12-25 14:14:29,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 261.2) internal successors, (1306), 5 states have internal predecessors, (1306), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8448 transitions. [2023-12-25 14:14:29,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1465 [2023-12-25 14:14:29,649 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:29,649 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-25 14:14:29,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-12-25 14:14:29,650 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:29,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:29,650 INFO L85 PathProgramCache]: Analyzing trace with hash 716232460, now seen corresponding path program 1 times [2023-12-25 14:14:29,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:29,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918972668] [2023-12-25 14:14:29,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:29,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:14:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:14:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:14:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:14:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:14:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:14:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:14:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:14:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:14:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:14:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:14:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:14:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:14:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:14:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:14:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:14:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:14:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 994 [2023-12-25 14:14:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1008 [2023-12-25 14:14:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1022 [2023-12-25 14:14:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1036 [2023-12-25 14:14:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1050 [2023-12-25 14:14:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2023-12-25 14:14:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1088 [2023-12-25 14:14:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2023-12-25 14:14:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2023-12-25 14:14:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1143 [2023-12-25 14:14:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2023-12-25 14:14:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1166 [2023-12-25 14:14:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1178 [2023-12-25 14:14:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1190 [2023-12-25 14:14:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1202 [2023-12-25 14:14:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2023-12-25 14:14:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:32,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:14:32,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:14:32,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918972668] [2023-12-25 14:14:32,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918972668] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:14:32,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:14:32,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:14:32,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166009676] [2023-12-25 14:14:32,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:14:32,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:14:32,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:14:32,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:14:32,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:14:32,326 INFO L87 Difference]: Start difference. First operand 5284 states and 8448 transitions. Second operand has 5 states, 5 states have (on average 261.4) internal successors, (1307), 5 states have internal predecessors, (1307), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:32,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:32,583 INFO L93 Difference]: Finished difference Result 6426 states and 10292 transitions. [2023-12-25 14:14:32,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:14:32,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 261.4) internal successors, (1307), 5 states have internal predecessors, (1307), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 1464 [2023-12-25 14:14:32,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:32,588 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:14:32,589 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:14:32,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:14:32,590 INFO L413 NwaCegarLoop]: 2036 mSDtfsCounter, 3015 mSDsluCounter, 2038 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3020 SdHoareTripleChecker+Valid, 4074 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:14:32,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3020 Valid, 4074 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:14:32,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:14:32,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:14:32,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.5840864440078586) internal successors, (8063), 5090 states have internal predecessors, (8063), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:14:32,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8447 transitions. [2023-12-25 14:14:32,730 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8447 transitions. Word has length 1464 [2023-12-25 14:14:32,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:32,730 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8447 transitions. [2023-12-25 14:14:32,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 261.4) internal successors, (1307), 5 states have internal predecessors, (1307), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:32,731 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8447 transitions. [2023-12-25 14:14:32,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1466 [2023-12-25 14:14:32,747 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:32,748 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-25 14:14:32,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-12-25 14:14:32,748 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:32,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:32,748 INFO L85 PathProgramCache]: Analyzing trace with hash 427110114, now seen corresponding path program 1 times [2023-12-25 14:14:32,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:32,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843721253] [2023-12-25 14:14:32,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:32,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:14:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:14:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:14:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:14:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:14:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:14:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:14:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:14:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:14:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:14:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:14:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:14:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:14:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:14:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:14:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:14:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:14:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 995 [2023-12-25 14:14:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1009 [2023-12-25 14:14:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1023 [2023-12-25 14:14:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1037 [2023-12-25 14:14:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2023-12-25 14:14:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1070 [2023-12-25 14:14:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1089 [2023-12-25 14:14:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1106 [2023-12-25 14:14:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1125 [2023-12-25 14:14:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1144 [2023-12-25 14:14:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1155 [2023-12-25 14:14:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2023-12-25 14:14:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1179 [2023-12-25 14:14:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1191 [2023-12-25 14:14:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1203 [2023-12-25 14:14:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2023-12-25 14:14:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:35,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:14:35,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:14:35,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843721253] [2023-12-25 14:14:35,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843721253] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:14:35,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:14:35,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:14:35,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008850398] [2023-12-25 14:14:35,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:14:35,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:14:35,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:14:35,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:14:35,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:14:35,253 INFO L87 Difference]: Start difference. First operand 5284 states and 8447 transitions. Second operand has 5 states, 5 states have (on average 261.6) internal successors, (1308), 5 states have internal predecessors, (1308), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:14:36,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:36,052 INFO L93 Difference]: Finished difference Result 6426 states and 10290 transitions. [2023-12-25 14:14:36,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:14:36,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 261.6) internal successors, (1308), 5 states have internal predecessors, (1308), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 1465 [2023-12-25 14:14:36,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:36,057 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:14:36,057 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:14:36,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:14:36,059 INFO L413 NwaCegarLoop]: 1579 mSDtfsCounter, 2958 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2958 SdHoareTripleChecker+Valid, 3160 SdHoareTripleChecker+Invalid, 1120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 14:14:36,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2958 Valid, 3160 Invalid, 1120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1119 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 14:14:36,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:14:36,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:14:36,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.5838899803536346) internal successors, (8062), 5090 states have internal predecessors, (8062), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:14:36,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8446 transitions. [2023-12-25 14:14:36,286 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8446 transitions. Word has length 1465 [2023-12-25 14:14:36,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:36,288 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8446 transitions. [2023-12-25 14:14:36,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 261.6) internal successors, (1308), 5 states have internal predecessors, (1308), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:14:36,289 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8446 transitions. [2023-12-25 14:14:36,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1467 [2023-12-25 14:14:36,309 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:36,310 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:14:36,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-12-25 14:14:36,310 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:36,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:36,310 INFO L85 PathProgramCache]: Analyzing trace with hash -311378726, now seen corresponding path program 1 times [2023-12-25 14:14:36,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:36,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309061420] [2023-12-25 14:14:36,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:36,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:14:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:14:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:14:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:14:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:14:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:14:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:14:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:14:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:14:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:14:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:14:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:14:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:14:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:14:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:14:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:14:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:14:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 996 [2023-12-25 14:14:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1010 [2023-12-25 14:14:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2023-12-25 14:14:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1038 [2023-12-25 14:14:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1052 [2023-12-25 14:14:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1071 [2023-12-25 14:14:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1090 [2023-12-25 14:14:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1107 [2023-12-25 14:14:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1126 [2023-12-25 14:14:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1145 [2023-12-25 14:14:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1156 [2023-12-25 14:14:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2023-12-25 14:14:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1180 [2023-12-25 14:14:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1192 [2023-12-25 14:14:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2023-12-25 14:14:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1216 [2023-12-25 14:14:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:38,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:14:38,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:14:38,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309061420] [2023-12-25 14:14:38,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309061420] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:14:38,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:14:38,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:14:38,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370191579] [2023-12-25 14:14:38,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:14:38,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:14:38,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:14:38,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:14:38,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:14:38,976 INFO L87 Difference]: Start difference. First operand 5284 states and 8446 transitions. Second operand has 5 states, 5 states have (on average 261.8) internal successors, (1309), 5 states have internal predecessors, (1309), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:39,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:39,256 INFO L93 Difference]: Finished difference Result 6426 states and 10288 transitions. [2023-12-25 14:14:39,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:14:39,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 261.8) internal successors, (1309), 5 states have internal predecessors, (1309), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 1466 [2023-12-25 14:14:39,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:39,262 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:14:39,263 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:14:39,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:14:39,265 INFO L413 NwaCegarLoop]: 2035 mSDtfsCounter, 2915 mSDsluCounter, 2037 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2920 SdHoareTripleChecker+Valid, 4072 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:14:39,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2920 Valid, 4072 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:14:39,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:14:39,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:14:39,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.5836935166994106) internal successors, (8061), 5090 states have internal predecessors, (8061), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:14:39,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8445 transitions. [2023-12-25 14:14:39,405 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8445 transitions. Word has length 1466 [2023-12-25 14:14:39,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:39,406 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8445 transitions. [2023-12-25 14:14:39,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 261.8) internal successors, (1309), 5 states have internal predecessors, (1309), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:39,406 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8445 transitions. [2023-12-25 14:14:39,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1468 [2023-12-25 14:14:39,422 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:39,423 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-25 14:14:39,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-12-25 14:14:39,423 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:39,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:39,424 INFO L85 PathProgramCache]: Analyzing trace with hash -616459286, now seen corresponding path program 1 times [2023-12-25 14:14:39,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:39,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141847190] [2023-12-25 14:14:39,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:39,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:14:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:14:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:14:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:14:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:14:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:14:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:14:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:14:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:14:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:14:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:14:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:14:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:14:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:14:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:14:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:14:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:14:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2023-12-25 14:14:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1011 [2023-12-25 14:14:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1025 [2023-12-25 14:14:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1039 [2023-12-25 14:14:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1053 [2023-12-25 14:14:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1072 [2023-12-25 14:14:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1091 [2023-12-25 14:14:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1108 [2023-12-25 14:14:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1127 [2023-12-25 14:14:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1146 [2023-12-25 14:14:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1157 [2023-12-25 14:14:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2023-12-25 14:14:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1181 [2023-12-25 14:14:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1193 [2023-12-25 14:14:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1205 [2023-12-25 14:14:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1217 [2023-12-25 14:14:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:41,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:14:41,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:14:41,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141847190] [2023-12-25 14:14:41,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141847190] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:14:41,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:14:41,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:14:41,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761899892] [2023-12-25 14:14:41,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:14:41,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:14:41,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:14:41,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:14:41,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:14:41,889 INFO L87 Difference]: Start difference. First operand 5284 states and 8445 transitions. Second operand has 5 states, 5 states have (on average 262.0) internal successors, (1310), 5 states have internal predecessors, (1310), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:42,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:42,226 INFO L93 Difference]: Finished difference Result 6426 states and 10286 transitions. [2023-12-25 14:14:42,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:14:42,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 262.0) internal successors, (1310), 5 states have internal predecessors, (1310), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 1467 [2023-12-25 14:14:42,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:42,231 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:14:42,231 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:14:42,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:14:42,233 INFO L413 NwaCegarLoop]: 2035 mSDtfsCounter, 1542 mSDsluCounter, 2056 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 4091 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:14:42,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1547 Valid, 4091 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:14:42,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:14:42,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:14:42,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.5834970530451866) internal successors, (8060), 5090 states have internal predecessors, (8060), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:14:42,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8444 transitions. [2023-12-25 14:14:42,419 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8444 transitions. Word has length 1467 [2023-12-25 14:14:42,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:42,419 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8444 transitions. [2023-12-25 14:14:42,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 262.0) internal successors, (1310), 5 states have internal predecessors, (1310), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:42,420 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8444 transitions. [2023-12-25 14:14:42,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1469 [2023-12-25 14:14:42,445 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:42,445 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-25 14:14:42,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-12-25 14:14:42,445 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:42,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:42,446 INFO L85 PathProgramCache]: Analyzing trace with hash -726625688, now seen corresponding path program 1 times [2023-12-25 14:14:42,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:42,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971165219] [2023-12-25 14:14:42,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:42,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:14:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:14:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:14:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:14:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:14:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:14:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:14:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:14:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:14:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:14:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:14:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:14:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:14:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:14:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:14:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:14:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:14:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2023-12-25 14:14:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1012 [2023-12-25 14:14:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1026 [2023-12-25 14:14:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1040 [2023-12-25 14:14:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1054 [2023-12-25 14:14:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1073 [2023-12-25 14:14:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1092 [2023-12-25 14:14:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2023-12-25 14:14:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1128 [2023-12-25 14:14:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1147 [2023-12-25 14:14:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1158 [2023-12-25 14:14:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1170 [2023-12-25 14:14:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2023-12-25 14:14:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1194 [2023-12-25 14:14:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1206 [2023-12-25 14:14:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1218 [2023-12-25 14:14:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:45,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:14:45,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:14:45,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971165219] [2023-12-25 14:14:45,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971165219] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:14:45,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:14:45,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:14:45,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161868312] [2023-12-25 14:14:45,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:14:45,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:14:45,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:14:45,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:14:45,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:14:45,557 INFO L87 Difference]: Start difference. First operand 5284 states and 8444 transitions. Second operand has 5 states, 5 states have (on average 262.2) internal successors, (1311), 5 states have internal predecessors, (1311), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:14:46,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:46,452 INFO L93 Difference]: Finished difference Result 6426 states and 10284 transitions. [2023-12-25 14:14:46,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:14:46,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 262.2) internal successors, (1311), 5 states have internal predecessors, (1311), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 1468 [2023-12-25 14:14:46,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:46,460 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:14:46,460 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:14:46,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:14:46,464 INFO L413 NwaCegarLoop]: 1577 mSDtfsCounter, 2842 mSDsluCounter, 1579 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2842 SdHoareTripleChecker+Valid, 3156 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:14:46,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2842 Valid, 3156 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 14:14:46,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:14:46,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:14:46,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.5833005893909626) internal successors, (8059), 5090 states have internal predecessors, (8059), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:14:46,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8443 transitions. [2023-12-25 14:14:46,656 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8443 transitions. Word has length 1468 [2023-12-25 14:14:46,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:46,657 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8443 transitions. [2023-12-25 14:14:46,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 262.2) internal successors, (1311), 5 states have internal predecessors, (1311), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:14:46,657 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8443 transitions. [2023-12-25 14:14:46,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1470 [2023-12-25 14:14:46,675 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:46,676 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:14:46,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-12-25 14:14:46,676 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:46,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:46,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1672452536, now seen corresponding path program 1 times [2023-12-25 14:14:46,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:46,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290301052] [2023-12-25 14:14:46,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:46,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:14:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:14:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:14:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:14:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:14:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:14:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:14:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:14:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:14:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:14:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:14:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:14:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:14:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:14:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:14:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:14:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:14:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 999 [2023-12-25 14:14:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1013 [2023-12-25 14:14:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1027 [2023-12-25 14:14:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1041 [2023-12-25 14:14:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1055 [2023-12-25 14:14:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1074 [2023-12-25 14:14:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1093 [2023-12-25 14:14:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1110 [2023-12-25 14:14:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1129 [2023-12-25 14:14:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1148 [2023-12-25 14:14:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2023-12-25 14:14:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1171 [2023-12-25 14:14:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1183 [2023-12-25 14:14:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2023-12-25 14:14:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1207 [2023-12-25 14:14:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2023-12-25 14:14:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:49,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:14:49,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:14:49,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290301052] [2023-12-25 14:14:49,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290301052] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:14:49,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:14:49,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:14:49,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098094163] [2023-12-25 14:14:49,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:14:49,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:14:49,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:14:49,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:14:49,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:14:49,333 INFO L87 Difference]: Start difference. First operand 5284 states and 8443 transitions. Second operand has 5 states, 5 states have (on average 262.4) internal successors, (1312), 5 states have internal predecessors, (1312), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:49,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:49,594 INFO L93 Difference]: Finished difference Result 6426 states and 10282 transitions. [2023-12-25 14:14:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:14:49,595 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 262.4) internal successors, (1312), 5 states have internal predecessors, (1312), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 1469 [2023-12-25 14:14:49,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:49,600 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:14:49,600 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:14:49,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:14:49,602 INFO L413 NwaCegarLoop]: 2034 mSDtfsCounter, 2799 mSDsluCounter, 2036 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2804 SdHoareTripleChecker+Valid, 4070 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:14:49,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2804 Valid, 4070 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:14:49,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:14:49,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:14:49,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.5831041257367386) internal successors, (8058), 5090 states have internal predecessors, (8058), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:14:49,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8442 transitions. [2023-12-25 14:14:49,729 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8442 transitions. Word has length 1469 [2023-12-25 14:14:49,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:49,729 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8442 transitions. [2023-12-25 14:14:49,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 262.4) internal successors, (1312), 5 states have internal predecessors, (1312), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:49,730 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8442 transitions. [2023-12-25 14:14:49,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1471 [2023-12-25 14:14:49,746 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:49,747 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:14:49,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-12-25 14:14:49,747 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:49,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:49,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1173383568, now seen corresponding path program 1 times [2023-12-25 14:14:49,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:49,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878818479] [2023-12-25 14:14:49,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:49,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:14:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:14:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:14:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:14:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:14:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:14:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:14:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:14:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:14:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:14:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:14:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:14:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:14:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:14:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:14:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:14:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:14:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1000 [2023-12-25 14:14:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1014 [2023-12-25 14:14:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1028 [2023-12-25 14:14:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2023-12-25 14:14:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1056 [2023-12-25 14:14:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1075 [2023-12-25 14:14:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2023-12-25 14:14:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1111 [2023-12-25 14:14:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1130 [2023-12-25 14:14:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1149 [2023-12-25 14:14:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1160 [2023-12-25 14:14:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1172 [2023-12-25 14:14:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2023-12-25 14:14:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1196 [2023-12-25 14:14:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1208 [2023-12-25 14:14:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1220 [2023-12-25 14:14:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:52,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:14:52,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:14:52,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878818479] [2023-12-25 14:14:52,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878818479] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:14:52,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:14:52,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:14:52,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402881752] [2023-12-25 14:14:52,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:14:52,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:14:52,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:14:52,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:14:52,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:14:52,250 INFO L87 Difference]: Start difference. First operand 5284 states and 8442 transitions. Second operand has 5 states, 5 states have (on average 262.6) internal successors, (1313), 5 states have internal predecessors, (1313), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:52,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:52,508 INFO L93 Difference]: Finished difference Result 6426 states and 10280 transitions. [2023-12-25 14:14:52,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:14:52,509 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 262.6) internal successors, (1313), 5 states have internal predecessors, (1313), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 1470 [2023-12-25 14:14:52,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:52,515 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:14:52,515 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:14:52,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:14:52,519 INFO L413 NwaCegarLoop]: 2034 mSDtfsCounter, 1484 mSDsluCounter, 2055 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1489 SdHoareTripleChecker+Valid, 4089 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:14:52,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1489 Valid, 4089 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:14:52,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:14:52,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:14:52,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.5829076620825147) internal successors, (8057), 5090 states have internal predecessors, (8057), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:14:52,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8441 transitions. [2023-12-25 14:14:52,674 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8441 transitions. Word has length 1470 [2023-12-25 14:14:52,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:52,675 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8441 transitions. [2023-12-25 14:14:52,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 262.6) internal successors, (1313), 5 states have internal predecessors, (1313), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:14:52,675 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8441 transitions. [2023-12-25 14:14:52,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1472 [2023-12-25 14:14:52,692 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:52,692 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:14:52,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-12-25 14:14:52,693 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:52,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:52,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1567141702, now seen corresponding path program 1 times [2023-12-25 14:14:52,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:52,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834661511] [2023-12-25 14:14:52,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:52,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:14:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:14:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:14:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:14:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:14:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:14:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:14:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:14:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:14:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:14:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:14:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:14:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:14:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:14:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:14:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:14:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:14:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1001 [2023-12-25 14:14:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2023-12-25 14:14:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1029 [2023-12-25 14:14:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1043 [2023-12-25 14:14:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1057 [2023-12-25 14:14:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1076 [2023-12-25 14:14:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1095 [2023-12-25 14:14:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1112 [2023-12-25 14:14:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1131 [2023-12-25 14:14:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2023-12-25 14:14:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1161 [2023-12-25 14:14:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1173 [2023-12-25 14:14:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1185 [2023-12-25 14:14:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1197 [2023-12-25 14:14:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2023-12-25 14:14:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1221 [2023-12-25 14:14:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:14:55,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:14:55,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:14:55,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834661511] [2023-12-25 14:14:55,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834661511] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:14:55,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:14:55,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:14:55,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011582507] [2023-12-25 14:14:55,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:14:55,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:14:55,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:14:55,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:14:55,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:14:55,362 INFO L87 Difference]: Start difference. First operand 5284 states and 8441 transitions. Second operand has 5 states, 5 states have (on average 262.8) internal successors, (1314), 5 states have internal predecessors, (1314), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:14:56,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:14:56,158 INFO L93 Difference]: Finished difference Result 6426 states and 10278 transitions. [2023-12-25 14:14:56,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:14:56,159 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 262.8) internal successors, (1314), 5 states have internal predecessors, (1314), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 1471 [2023-12-25 14:14:56,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:14:56,164 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:14:56,164 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:14:56,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:14:56,166 INFO L413 NwaCegarLoop]: 1575 mSDtfsCounter, 2726 mSDsluCounter, 1577 mSDsCounter, 0 mSdLazyCounter, 1115 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2726 SdHoareTripleChecker+Valid, 3152 SdHoareTripleChecker+Invalid, 1116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 14:14:56,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2726 Valid, 3152 Invalid, 1116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1115 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 14:14:56,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:14:56,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:14:56,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.5827111984282907) internal successors, (8056), 5090 states have internal predecessors, (8056), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:14:56,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8440 transitions. [2023-12-25 14:14:56,314 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8440 transitions. Word has length 1471 [2023-12-25 14:14:56,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:14:56,315 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8440 transitions. [2023-12-25 14:14:56,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 262.8) internal successors, (1314), 5 states have internal predecessors, (1314), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:14:56,315 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8440 transitions. [2023-12-25 14:14:56,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1473 [2023-12-25 14:14:56,333 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:14:56,334 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:14:56,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-12-25 14:14:56,334 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:14:56,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:14:56,334 INFO L85 PathProgramCache]: Analyzing trace with hash -2124828098, now seen corresponding path program 1 times [2023-12-25 14:14:56,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:14:56,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158593193] [2023-12-25 14:14:56,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:14:56,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:15:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:15:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:15:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:15:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:15:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:15:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:15:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:15:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:15:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:15:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:15:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:15:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:15:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:15:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:15:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:15:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:15:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1002 [2023-12-25 14:15:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2023-12-25 14:15:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1030 [2023-12-25 14:15:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1044 [2023-12-25 14:15:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1058 [2023-12-25 14:15:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1077 [2023-12-25 14:15:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2023-12-25 14:15:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1113 [2023-12-25 14:15:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2023-12-25 14:15:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1151 [2023-12-25 14:15:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1162 [2023-12-25 14:15:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1174 [2023-12-25 14:15:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2023-12-25 14:15:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1198 [2023-12-25 14:15:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2023-12-25 14:15:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2023-12-25 14:15:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:02,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:15:02,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:15:02,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158593193] [2023-12-25 14:15:02,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158593193] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:15:02,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:15:02,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:15:02,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955837531] [2023-12-25 14:15:02,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:15:02,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:15:02,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:15:02,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:15:02,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:15:02,695 INFO L87 Difference]: Start difference. First operand 5284 states and 8440 transitions. Second operand has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:15:02,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:15:02,944 INFO L93 Difference]: Finished difference Result 6426 states and 10276 transitions. [2023-12-25 14:15:02,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:15:02,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 1472 [2023-12-25 14:15:02,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:15:02,950 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:15:02,950 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:15:02,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:15:02,955 INFO L413 NwaCegarLoop]: 2033 mSDtfsCounter, 1518 mSDsluCounter, 2035 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 4068 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:15:02,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1518 Valid, 4068 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:15:02,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:15:03,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:15:03,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.582514734774067) internal successors, (8055), 5090 states have internal predecessors, (8055), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:15:03,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8439 transitions. [2023-12-25 14:15:03,098 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8439 transitions. Word has length 1472 [2023-12-25 14:15:03,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:15:03,098 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8439 transitions. [2023-12-25 14:15:03,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:15:03,099 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8439 transitions. [2023-12-25 14:15:03,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1473 [2023-12-25 14:15:03,116 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:15:03,117 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:15:03,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-12-25 14:15:03,117 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:15:03,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:15:03,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1612700096, now seen corresponding path program 1 times [2023-12-25 14:15:03,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:15:03,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338659793] [2023-12-25 14:15:03,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:15:03,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:15:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:15:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:15:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:15:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:15:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:15:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:15:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:15:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:15:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:15:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:15:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:15:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:15:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:15:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:15:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:15:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:15:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1002 [2023-12-25 14:15:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2023-12-25 14:15:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1030 [2023-12-25 14:15:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1044 [2023-12-25 14:15:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1058 [2023-12-25 14:15:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1077 [2023-12-25 14:15:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2023-12-25 14:15:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1113 [2023-12-25 14:15:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2023-12-25 14:15:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1151 [2023-12-25 14:15:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1162 [2023-12-25 14:15:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1174 [2023-12-25 14:15:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2023-12-25 14:15:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1198 [2023-12-25 14:15:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2023-12-25 14:15:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2023-12-25 14:15:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:09,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:15:09,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:15:09,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338659793] [2023-12-25 14:15:09,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338659793] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:15:09,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:15:09,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:15:09,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032334666] [2023-12-25 14:15:09,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:15:09,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:15:09,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:15:09,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:15:09,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:15:09,404 INFO L87 Difference]: Start difference. First operand 5284 states and 8439 transitions. Second operand has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:15:09,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:15:09,654 INFO L93 Difference]: Finished difference Result 6426 states and 10274 transitions. [2023-12-25 14:15:09,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:15:09,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 1472 [2023-12-25 14:15:09,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:15:09,660 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:15:09,660 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:15:09,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:15:09,676 INFO L413 NwaCegarLoop]: 2033 mSDtfsCounter, 1462 mSDsluCounter, 2035 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1462 SdHoareTripleChecker+Valid, 4068 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:15:09,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1462 Valid, 4068 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:15:09,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:15:09,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:15:09,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.582318271119843) internal successors, (8054), 5090 states have internal predecessors, (8054), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:15:09,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8438 transitions. [2023-12-25 14:15:09,808 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8438 transitions. Word has length 1472 [2023-12-25 14:15:09,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:15:09,809 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8438 transitions. [2023-12-25 14:15:09,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:15:09,809 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8438 transitions. [2023-12-25 14:15:09,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1473 [2023-12-25 14:15:09,825 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:15:09,826 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:15:09,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-12-25 14:15:09,826 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:15:09,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:15:09,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1098908798, now seen corresponding path program 1 times [2023-12-25 14:15:09,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:15:09,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779558809] [2023-12-25 14:15:09,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:15:09,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:15:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:15:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:15:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:15:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:15:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:15:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:15:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:15:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:15:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:15:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:15:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:15:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:15:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:15:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:15:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:15:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:15:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1002 [2023-12-25 14:15:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2023-12-25 14:15:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1030 [2023-12-25 14:15:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1044 [2023-12-25 14:15:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1058 [2023-12-25 14:15:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1077 [2023-12-25 14:15:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2023-12-25 14:15:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1113 [2023-12-25 14:15:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2023-12-25 14:15:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1151 [2023-12-25 14:15:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1162 [2023-12-25 14:15:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1174 [2023-12-25 14:15:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2023-12-25 14:15:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1198 [2023-12-25 14:15:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2023-12-25 14:15:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2023-12-25 14:15:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:15,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:15:15,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:15:15,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779558809] [2023-12-25 14:15:15,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779558809] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:15:15,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:15:15,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:15:15,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710417027] [2023-12-25 14:15:15,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:15:15,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:15:15,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:15:15,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:15:15,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:15:15,622 INFO L87 Difference]: Start difference. First operand 5284 states and 8438 transitions. Second operand has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:15:15,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:15:15,867 INFO L93 Difference]: Finished difference Result 6426 states and 10272 transitions. [2023-12-25 14:15:15,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:15:15,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 1472 [2023-12-25 14:15:15,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:15:15,873 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:15:15,873 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:15:15,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:15:15,876 INFO L413 NwaCegarLoop]: 2033 mSDtfsCounter, 1406 mSDsluCounter, 2035 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 4068 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:15:15,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1406 Valid, 4068 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:15:15,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:15:16,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:15:16,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.582121807465619) internal successors, (8053), 5090 states have internal predecessors, (8053), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:15:16,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8437 transitions. [2023-12-25 14:15:16,020 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8437 transitions. Word has length 1472 [2023-12-25 14:15:16,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:15:16,020 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8437 transitions. [2023-12-25 14:15:16,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:15:16,021 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8437 transitions. [2023-12-25 14:15:16,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1473 [2023-12-25 14:15:16,038 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:15:16,039 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:15:16,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-12-25 14:15:16,039 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:15:16,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:15:16,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1335909376, now seen corresponding path program 1 times [2023-12-25 14:15:16,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:15:16,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857887106] [2023-12-25 14:15:16,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:15:16,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:15:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:15:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:15:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:15:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:15:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:15:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:15:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:15:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:15:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:15:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:15:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:15:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:15:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:15:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:15:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:15:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:15:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1002 [2023-12-25 14:15:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2023-12-25 14:15:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1030 [2023-12-25 14:15:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1044 [2023-12-25 14:15:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1058 [2023-12-25 14:15:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1077 [2023-12-25 14:15:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2023-12-25 14:15:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1113 [2023-12-25 14:15:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2023-12-25 14:15:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1151 [2023-12-25 14:15:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1162 [2023-12-25 14:15:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1174 [2023-12-25 14:15:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2023-12-25 14:15:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1198 [2023-12-25 14:15:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2023-12-25 14:15:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2023-12-25 14:15:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:21,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:15:21,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:15:21,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857887106] [2023-12-25 14:15:21,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857887106] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:15:21,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:15:21,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:15:21,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326176825] [2023-12-25 14:15:21,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:15:21,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:15:21,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:15:21,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:15:21,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:15:21,265 INFO L87 Difference]: Start difference. First operand 5284 states and 8437 transitions. Second operand has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:15:21,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:15:21,520 INFO L93 Difference]: Finished difference Result 6426 states and 10270 transitions. [2023-12-25 14:15:21,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:15:21,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 1472 [2023-12-25 14:15:21,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:15:21,526 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:15:21,526 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:15:21,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:15:21,527 INFO L413 NwaCegarLoop]: 2033 mSDtfsCounter, 1350 mSDsluCounter, 2035 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1350 SdHoareTripleChecker+Valid, 4068 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:15:21,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1350 Valid, 4068 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:15:21,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:15:21,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:15:21,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.581925343811395) internal successors, (8052), 5090 states have internal predecessors, (8052), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:15:21,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8436 transitions. [2023-12-25 14:15:21,665 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8436 transitions. Word has length 1472 [2023-12-25 14:15:21,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:15:21,665 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8436 transitions. [2023-12-25 14:15:21,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:15:21,666 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8436 transitions. [2023-12-25 14:15:21,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1473 [2023-12-25 14:15:21,683 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:15:21,684 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:15:21,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-12-25 14:15:21,684 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:15:21,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:15:21,685 INFO L85 PathProgramCache]: Analyzing trace with hash 2020755134, now seen corresponding path program 1 times [2023-12-25 14:15:21,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:15:21,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448749671] [2023-12-25 14:15:21,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:15:21,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:15:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:15:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:15:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:15:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:15:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:15:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:15:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:15:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:15:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:15:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:15:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:15:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:15:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:15:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:15:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:15:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:15:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1002 [2023-12-25 14:15:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2023-12-25 14:15:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1030 [2023-12-25 14:15:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1044 [2023-12-25 14:15:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1058 [2023-12-25 14:15:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1077 [2023-12-25 14:15:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2023-12-25 14:15:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1113 [2023-12-25 14:15:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2023-12-25 14:15:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1151 [2023-12-25 14:15:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1162 [2023-12-25 14:15:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1174 [2023-12-25 14:15:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2023-12-25 14:15:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1198 [2023-12-25 14:15:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2023-12-25 14:15:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2023-12-25 14:15:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:27,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:15:27,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:15:27,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448749671] [2023-12-25 14:15:27,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448749671] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:15:27,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:15:27,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:15:27,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712953984] [2023-12-25 14:15:27,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:15:27,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:15:27,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:15:27,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:15:27,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:15:27,690 INFO L87 Difference]: Start difference. First operand 5284 states and 8436 transitions. Second operand has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:15:27,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:15:27,936 INFO L93 Difference]: Finished difference Result 6426 states and 10268 transitions. [2023-12-25 14:15:27,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:15:27,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 1472 [2023-12-25 14:15:27,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:15:27,941 INFO L225 Difference]: With dead ends: 6426 [2023-12-25 14:15:27,941 INFO L226 Difference]: Without dead ends: 5284 [2023-12-25 14:15:27,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:15:27,943 INFO L413 NwaCegarLoop]: 2033 mSDtfsCounter, 1294 mSDsluCounter, 2035 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1294 SdHoareTripleChecker+Valid, 4068 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:15:27,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1294 Valid, 4068 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:15:27,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-12-25 14:15:28,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 5284. [2023-12-25 14:15:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 5090 states have (on average 1.581728880157171) internal successors, (8051), 5090 states have internal predecessors, (8051), 192 states have call successors, (192), 1 states have call predecessors, (192), 1 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2023-12-25 14:15:28,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 8435 transitions. [2023-12-25 14:15:28,070 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 8435 transitions. Word has length 1472 [2023-12-25 14:15:28,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:15:28,071 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 8435 transitions. [2023-12-25 14:15:28,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:15:28,072 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 8435 transitions. [2023-12-25 14:15:28,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1473 [2023-12-25 14:15:28,088 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:15:28,089 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:15:28,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-12-25 14:15:28,089 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:15:28,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:15:28,090 INFO L85 PathProgramCache]: Analyzing trace with hash -276651584, now seen corresponding path program 1 times [2023-12-25 14:15:28,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:15:28,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061276063] [2023-12-25 14:15:28,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:15:28,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:15:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:15:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:15:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:15:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:15:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:15:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:15:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:15:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:15:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:15:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:15:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:15:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:15:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:15:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:15:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:15:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:15:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1002 [2023-12-25 14:15:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2023-12-25 14:15:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1030 [2023-12-25 14:15:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1044 [2023-12-25 14:15:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1058 [2023-12-25 14:15:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1077 [2023-12-25 14:15:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2023-12-25 14:15:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1113 [2023-12-25 14:15:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2023-12-25 14:15:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1151 [2023-12-25 14:15:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1162 [2023-12-25 14:15:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1174 [2023-12-25 14:15:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2023-12-25 14:15:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1198 [2023-12-25 14:15:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2023-12-25 14:15:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2023-12-25 14:15:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:15:50,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:15:50,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:15:50,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061276063] [2023-12-25 14:15:50,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061276063] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:15:50,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:15:50,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 14:15:50,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137052728] [2023-12-25 14:15:50,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:15:50,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 14:15:50,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:15:50,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 14:15:50,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:15:50,467 INFO L87 Difference]: Start difference. First operand 5284 states and 8435 transitions. Second operand has 6 states, 6 states have (on average 219.16666666666666) internal successors, (1315), 6 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:15:51,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:15:51,761 INFO L93 Difference]: Finished difference Result 10691 states and 16943 transitions. [2023-12-25 14:15:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 14:15:51,763 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 219.16666666666666) internal successors, (1315), 6 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 1472 [2023-12-25 14:15:51,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:15:51,771 INFO L225 Difference]: With dead ends: 10691 [2023-12-25 14:15:51,771 INFO L226 Difference]: Without dead ends: 9549 [2023-12-25 14:15:51,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-25 14:15:51,774 INFO L413 NwaCegarLoop]: 1799 mSDtfsCounter, 2426 mSDsluCounter, 5895 mSDsCounter, 0 mSdLazyCounter, 1649 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2435 SdHoareTripleChecker+Valid, 7694 SdHoareTripleChecker+Invalid, 1671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 14:15:51,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2435 Valid, 7694 Invalid, 1671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1649 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 14:15:51,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9549 states. [2023-12-25 14:15:51,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9549 to 7229. [2023-12-25 14:15:51,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7229 states, 6963 states have (on average 1.5789171334195031) internal successors, (10994), 6963 states have internal predecessors, (10994), 264 states have call successors, (264), 1 states have call predecessors, (264), 1 states have return successors, (264), 264 states have call predecessors, (264), 264 states have call successors, (264) [2023-12-25 14:15:52,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7229 states to 7229 states and 11522 transitions. [2023-12-25 14:15:52,003 INFO L78 Accepts]: Start accepts. Automaton has 7229 states and 11522 transitions. Word has length 1472 [2023-12-25 14:15:52,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:15:52,004 INFO L495 AbstractCegarLoop]: Abstraction has 7229 states and 11522 transitions. [2023-12-25 14:15:52,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 219.16666666666666) internal successors, (1315), 6 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:15:52,004 INFO L276 IsEmpty]: Start isEmpty. Operand 7229 states and 11522 transitions. [2023-12-25 14:15:52,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1473 [2023-12-25 14:15:52,028 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:15:52,029 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:15:52,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-12-25 14:15:52,029 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:15:52,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:15:52,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1859995220, now seen corresponding path program 1 times [2023-12-25 14:15:52,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:15:52,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730995846] [2023-12-25 14:15:52,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:15:52,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:16:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-25 14:16:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 14:16:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:16:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:16:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:16:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:16:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:16:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:16:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:16:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:16:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:16:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:16:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:16:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:16:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:16:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:16:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1002 [2023-12-25 14:16:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2023-12-25 14:16:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1030 [2023-12-25 14:16:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1044 [2023-12-25 14:16:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1058 [2023-12-25 14:16:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1077 [2023-12-25 14:16:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2023-12-25 14:16:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1113 [2023-12-25 14:16:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2023-12-25 14:16:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1151 [2023-12-25 14:16:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1162 [2023-12-25 14:16:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1174 [2023-12-25 14:16:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2023-12-25 14:16:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1198 [2023-12-25 14:16:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2023-12-25 14:16:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2023-12-25 14:16:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:12,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 2224 trivial. 0 not checked. [2023-12-25 14:16:12,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:16:12,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730995846] [2023-12-25 14:16:12,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730995846] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:16:12,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:16:12,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 14:16:12,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656292479] [2023-12-25 14:16:12,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:16:12,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 14:16:12,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:16:12,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 14:16:12,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-25 14:16:12,822 INFO L87 Difference]: Start difference. First operand 7229 states and 11522 transitions. Second operand has 8 states, 8 states have (on average 134.75) internal successors, (1078), 8 states have internal predecessors, (1078), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:16:13,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:16:13,310 INFO L93 Difference]: Finished difference Result 14325 states and 22865 transitions. [2023-12-25 14:16:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 14:16:13,310 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 134.75) internal successors, (1078), 8 states have internal predecessors, (1078), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 1472 [2023-12-25 14:16:13,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:16:13,325 INFO L225 Difference]: With dead ends: 14325 [2023-12-25 14:16:13,325 INFO L226 Difference]: Without dead ends: 12851 [2023-12-25 14:16:13,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-12-25 14:16:13,331 INFO L413 NwaCegarLoop]: 5908 mSDtfsCounter, 5413 mSDsluCounter, 26175 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5445 SdHoareTripleChecker+Valid, 32083 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:16:13,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5445 Valid, 32083 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:16:13,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12851 states. [2023-12-25 14:16:13,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12851 to 9040. [2023-12-25 14:16:13,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9040 states, 8686 states have (on average 1.577250748330647) internal successors, (13700), 8686 states have internal predecessors, (13700), 352 states have call successors, (352), 1 states have call predecessors, (352), 1 states have return successors, (352), 352 states have call predecessors, (352), 352 states have call successors, (352) [2023-12-25 14:16:13,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9040 states to 9040 states and 14404 transitions. [2023-12-25 14:16:13,712 INFO L78 Accepts]: Start accepts. Automaton has 9040 states and 14404 transitions. Word has length 1472 [2023-12-25 14:16:13,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:16:13,712 INFO L495 AbstractCegarLoop]: Abstraction has 9040 states and 14404 transitions. [2023-12-25 14:16:13,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 134.75) internal successors, (1078), 8 states have internal predecessors, (1078), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:16:13,713 INFO L276 IsEmpty]: Start isEmpty. Operand 9040 states and 14404 transitions. [2023-12-25 14:16:13,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1473 [2023-12-25 14:16:13,734 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:16:13,735 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:16:13,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-12-25 14:16:13,735 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:16:13,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:16:13,736 INFO L85 PathProgramCache]: Analyzing trace with hash -2057733526, now seen corresponding path program 1 times [2023-12-25 14:16:13,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:16:13,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355309591] [2023-12-25 14:16:13,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:16:13,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:16:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-25 14:16:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 14:16:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:16:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:16:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:16:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:16:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:16:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:16:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:16:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:16:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:16:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:16:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:16:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:16:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:16:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:16:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1002 [2023-12-25 14:16:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2023-12-25 14:16:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1030 [2023-12-25 14:16:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1044 [2023-12-25 14:16:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1058 [2023-12-25 14:16:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1077 [2023-12-25 14:16:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2023-12-25 14:16:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1113 [2023-12-25 14:16:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2023-12-25 14:16:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1151 [2023-12-25 14:16:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1162 [2023-12-25 14:16:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1174 [2023-12-25 14:16:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2023-12-25 14:16:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1198 [2023-12-25 14:16:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2023-12-25 14:16:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2023-12-25 14:16:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:16:37,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2308 trivial. 0 not checked. [2023-12-25 14:16:37,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:16:37,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355309591] [2023-12-25 14:16:37,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355309591] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:16:37,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:16:37,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 14:16:37,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991873569] [2023-12-25 14:16:37,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:16:37,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 14:16:37,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:16:37,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 14:16:37,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-25 14:16:37,825 INFO L87 Difference]: Start difference. First operand 9040 states and 14404 transitions. Second operand has 7 states, 7 states have (on average 143.71428571428572) internal successors, (1006), 7 states have internal predecessors, (1006), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-25 14:16:38,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:16:38,667 INFO L93 Difference]: Finished difference Result 21123 states and 33475 transitions. [2023-12-25 14:16:38,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 14:16:38,668 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 143.71428571428572) internal successors, (1006), 7 states have internal predecessors, (1006), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 1472 [2023-12-25 14:16:38,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:16:38,687 INFO L225 Difference]: With dead ends: 21123 [2023-12-25 14:16:38,687 INFO L226 Difference]: Without dead ends: 17120 [2023-12-25 14:16:38,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-12-25 14:16:38,696 INFO L413 NwaCegarLoop]: 2581 mSDtfsCounter, 8452 mSDsluCounter, 10831 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8477 SdHoareTripleChecker+Valid, 13412 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:16:38,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8477 Valid, 13412 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:16:38,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17120 states. [2023-12-25 14:16:38,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17120 to 9040. [2023-12-25 14:16:38,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9040 states, 8686 states have (on average 1.5734515311996315) internal successors, (13667), 8686 states have internal predecessors, (13667), 352 states have call successors, (352), 1 states have call predecessors, (352), 1 states have return successors, (352), 352 states have call predecessors, (352), 352 states have call successors, (352) [2023-12-25 14:16:39,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9040 states to 9040 states and 14371 transitions. [2023-12-25 14:16:39,005 INFO L78 Accepts]: Start accepts. Automaton has 9040 states and 14371 transitions. Word has length 1472 [2023-12-25 14:16:39,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:16:39,005 INFO L495 AbstractCegarLoop]: Abstraction has 9040 states and 14371 transitions. [2023-12-25 14:16:39,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 143.71428571428572) internal successors, (1006), 7 states have internal predecessors, (1006), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-25 14:16:39,006 INFO L276 IsEmpty]: Start isEmpty. Operand 9040 states and 14371 transitions. [2023-12-25 14:16:39,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1473 [2023-12-25 14:16:39,026 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:16:39,027 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:16:39,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-12-25 14:16:39,027 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:16:39,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:16:39,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1649381470, now seen corresponding path program 1 times [2023-12-25 14:16:39,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:16:39,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481204499] [2023-12-25 14:16:39,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:16:39,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:17:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-25 14:17:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 14:17:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:17:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:17:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:17:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:17:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:17:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:17:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:17:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:17:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:17:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:17:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:17:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:17:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:17:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:17:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1002 [2023-12-25 14:17:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2023-12-25 14:17:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1030 [2023-12-25 14:17:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1044 [2023-12-25 14:17:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1058 [2023-12-25 14:17:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1077 [2023-12-25 14:17:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2023-12-25 14:17:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1113 [2023-12-25 14:17:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2023-12-25 14:17:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1151 [2023-12-25 14:17:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1162 [2023-12-25 14:17:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1174 [2023-12-25 14:17:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2023-12-25 14:17:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1198 [2023-12-25 14:17:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2023-12-25 14:17:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2023-12-25 14:17:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:07,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:17:07,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:17:07,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481204499] [2023-12-25 14:17:07,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481204499] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:17:07,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:17:07,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-25 14:17:07,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366507056] [2023-12-25 14:17:07,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:17:07,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-25 14:17:07,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:17:07,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-25 14:17:07,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-12-25 14:17:07,483 INFO L87 Difference]: Start difference. First operand 9040 states and 14371 transitions. Second operand has 10 states, 10 states have (on average 131.5) internal successors, (1315), 10 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:17:10,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:17:10,446 INFO L93 Difference]: Finished difference Result 18808 states and 29953 transitions. [2023-12-25 14:17:10,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 14:17:10,447 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 131.5) internal successors, (1315), 10 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 1472 [2023-12-25 14:17:10,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:17:10,462 INFO L225 Difference]: With dead ends: 18808 [2023-12-25 14:17:10,462 INFO L226 Difference]: Without dead ends: 17666 [2023-12-25 14:17:10,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2023-12-25 14:17:10,466 INFO L413 NwaCegarLoop]: 1587 mSDtfsCounter, 12302 mSDsluCounter, 10609 mSDsCounter, 0 mSdLazyCounter, 4362 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12334 SdHoareTripleChecker+Valid, 12196 SdHoareTripleChecker+Invalid, 4381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-25 14:17:10,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12334 Valid, 12196 Invalid, 4381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4362 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-25 14:17:10,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17666 states. [2023-12-25 14:17:10,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17666 to 14649. [2023-12-25 14:17:10,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14649 states, 14047 states have (on average 1.5707980351676514) internal successors, (22065), 14047 states have internal predecessors, (22065), 600 states have call successors, (600), 1 states have call predecessors, (600), 1 states have return successors, (600), 600 states have call predecessors, (600), 600 states have call successors, (600) [2023-12-25 14:17:10,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14649 states to 14649 states and 23265 transitions. [2023-12-25 14:17:10,943 INFO L78 Accepts]: Start accepts. Automaton has 14649 states and 23265 transitions. Word has length 1472 [2023-12-25 14:17:10,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:17:10,944 INFO L495 AbstractCegarLoop]: Abstraction has 14649 states and 23265 transitions. [2023-12-25 14:17:10,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 131.5) internal successors, (1315), 10 states have internal predecessors, (1315), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:17:10,944 INFO L276 IsEmpty]: Start isEmpty. Operand 14649 states and 23265 transitions. [2023-12-25 14:17:10,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1474 [2023-12-25 14:17:10,977 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:17:10,980 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:17:10,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-12-25 14:17:10,980 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:17:10,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:17:10,981 INFO L85 PathProgramCache]: Analyzing trace with hash -402672892, now seen corresponding path program 1 times [2023-12-25 14:17:10,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:17:10,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299950424] [2023-12-25 14:17:10,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:17:10,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:17:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:17:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:17:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:17:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:17:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:17:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:17:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:17:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:17:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:17:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:17:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:17:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:17:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:17:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:17:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:17:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:17:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1003 [2023-12-25 14:17:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1017 [2023-12-25 14:17:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1031 [2023-12-25 14:17:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1045 [2023-12-25 14:17:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1059 [2023-12-25 14:17:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2023-12-25 14:17:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1097 [2023-12-25 14:17:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2023-12-25 14:17:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1133 [2023-12-25 14:17:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2023-12-25 14:17:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1163 [2023-12-25 14:17:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1175 [2023-12-25 14:17:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1187 [2023-12-25 14:17:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2023-12-25 14:17:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1211 [2023-12-25 14:17:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1223 [2023-12-25 14:17:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:17:34,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 2165 trivial. 0 not checked. [2023-12-25 14:17:34,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:17:34,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299950424] [2023-12-25 14:17:34,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299950424] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:17:34,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:17:34,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:17:34,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557162502] [2023-12-25 14:17:34,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:17:34,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:17:34,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:17:34,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:17:34,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:17:34,505 INFO L87 Difference]: Start difference. First operand 14649 states and 23265 transitions. Second operand has 5 states, 5 states have (on average 227.6) internal successors, (1138), 5 states have internal predecessors, (1138), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:17:35,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:17:35,555 INFO L93 Difference]: Finished difference Result 17327 states and 27553 transitions. [2023-12-25 14:17:35,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 14:17:35,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 227.6) internal successors, (1138), 5 states have internal predecessors, (1138), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 1473 [2023-12-25 14:17:35,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:17:35,572 INFO L225 Difference]: With dead ends: 17327 [2023-12-25 14:17:35,572 INFO L226 Difference]: Without dead ends: 14657 [2023-12-25 14:17:35,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:17:35,579 INFO L413 NwaCegarLoop]: 1599 mSDtfsCounter, 1737 mSDsluCounter, 3161 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1737 SdHoareTripleChecker+Valid, 4760 SdHoareTripleChecker+Invalid, 1602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:17:35,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1737 Valid, 4760 Invalid, 1602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 14:17:35,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14657 states. [2023-12-25 14:17:36,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14657 to 14653. [2023-12-25 14:17:36,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14653 states, 14051 states have (on average 1.5706355419543092) internal successors, (22069), 14051 states have internal predecessors, (22069), 600 states have call successors, (600), 1 states have call predecessors, (600), 1 states have return successors, (600), 600 states have call predecessors, (600), 600 states have call successors, (600) [2023-12-25 14:17:36,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14653 states to 14653 states and 23269 transitions. [2023-12-25 14:17:36,069 INFO L78 Accepts]: Start accepts. Automaton has 14653 states and 23269 transitions. Word has length 1473 [2023-12-25 14:17:36,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:17:36,070 INFO L495 AbstractCegarLoop]: Abstraction has 14653 states and 23269 transitions. [2023-12-25 14:17:36,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 227.6) internal successors, (1138), 5 states have internal predecessors, (1138), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:17:36,071 INFO L276 IsEmpty]: Start isEmpty. Operand 14653 states and 23269 transitions. [2023-12-25 14:17:36,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1474 [2023-12-25 14:17:36,101 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:17:36,101 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:17:36,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-12-25 14:17:36,102 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:17:36,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:17:36,102 INFO L85 PathProgramCache]: Analyzing trace with hash 15432072, now seen corresponding path program 1 times [2023-12-25 14:17:36,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:17:36,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757070556] [2023-12-25 14:17:36,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:17:36,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:17:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:18:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:18:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:18:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:18:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:18:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:18:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:18:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:18:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:18:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:18:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:18:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:18:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:18:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:18:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:18:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:18:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1003 [2023-12-25 14:18:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1017 [2023-12-25 14:18:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1031 [2023-12-25 14:18:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1045 [2023-12-25 14:18:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1059 [2023-12-25 14:18:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2023-12-25 14:18:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1097 [2023-12-25 14:18:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2023-12-25 14:18:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1133 [2023-12-25 14:18:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2023-12-25 14:18:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1163 [2023-12-25 14:18:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1175 [2023-12-25 14:18:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1187 [2023-12-25 14:18:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2023-12-25 14:18:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1211 [2023-12-25 14:18:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1223 [2023-12-25 14:18:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:00,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 2220 trivial. 0 not checked. [2023-12-25 14:18:00,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:18:00,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757070556] [2023-12-25 14:18:00,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757070556] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:18:00,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:18:00,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-25 14:18:00,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083213114] [2023-12-25 14:18:00,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:18:00,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-25 14:18:00,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:18:00,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-25 14:18:00,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-25 14:18:00,498 INFO L87 Difference]: Start difference. First operand 14653 states and 23269 transitions. Second operand has 10 states, 10 states have (on average 108.3) internal successors, (1083), 10 states have internal predecessors, (1083), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:18:02,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:18:02,062 INFO L93 Difference]: Finished difference Result 28698 states and 45547 transitions. [2023-12-25 14:18:02,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 14:18:02,063 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 108.3) internal successors, (1083), 10 states have internal predecessors, (1083), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 1473 [2023-12-25 14:18:02,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:18:02,096 INFO L225 Difference]: With dead ends: 28698 [2023-12-25 14:18:02,096 INFO L226 Difference]: Without dead ends: 26112 [2023-12-25 14:18:02,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-25 14:18:02,109 INFO L413 NwaCegarLoop]: 5332 mSDtfsCounter, 9357 mSDsluCounter, 25224 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9387 SdHoareTripleChecker+Valid, 30556 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:18:02,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9387 Valid, 30556 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1111 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 14:18:02,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26112 states. [2023-12-25 14:18:02,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26112 to 17048. [2023-12-25 14:18:02,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17048 states, 16302 states have (on average 1.5668629615998038) internal successors, (25543), 16302 states have internal predecessors, (25543), 744 states have call successors, (744), 1 states have call predecessors, (744), 1 states have return successors, (744), 744 states have call predecessors, (744), 744 states have call successors, (744) [2023-12-25 14:18:02,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17048 states to 17048 states and 27031 transitions. [2023-12-25 14:18:02,814 INFO L78 Accepts]: Start accepts. Automaton has 17048 states and 27031 transitions. Word has length 1473 [2023-12-25 14:18:02,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:18:02,814 INFO L495 AbstractCegarLoop]: Abstraction has 17048 states and 27031 transitions. [2023-12-25 14:18:02,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 108.3) internal successors, (1083), 10 states have internal predecessors, (1083), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:18:02,814 INFO L276 IsEmpty]: Start isEmpty. Operand 17048 states and 27031 transitions. [2023-12-25 14:18:02,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1474 [2023-12-25 14:18:02,844 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:18:02,845 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:18:02,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-12-25 14:18:02,845 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:18:02,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:18:02,845 INFO L85 PathProgramCache]: Analyzing trace with hash -688142046, now seen corresponding path program 1 times [2023-12-25 14:18:02,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:18:02,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051817645] [2023-12-25 14:18:02,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:18:02,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:18:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:18:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-25 14:18:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-25 14:18:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-25 14:18:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-25 14:18:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-12-25 14:18:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-25 14:18:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-25 14:18:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-12-25 14:18:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 14:18:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 14:18:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 14:18:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 14:18:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 14:18:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:18:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 14:18:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1003 [2023-12-25 14:18:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1017 [2023-12-25 14:18:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1031 [2023-12-25 14:18:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1045 [2023-12-25 14:18:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1059 [2023-12-25 14:18:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2023-12-25 14:18:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1097 [2023-12-25 14:18:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2023-12-25 14:18:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1133 [2023-12-25 14:18:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2023-12-25 14:18:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1163 [2023-12-25 14:18:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1175 [2023-12-25 14:18:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1187 [2023-12-25 14:18:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2023-12-25 14:18:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1211 [2023-12-25 14:18:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1223 [2023-12-25 14:18:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:33,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 412 proven. 5 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:18:33,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:18:33,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051817645] [2023-12-25 14:18:33,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051817645] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 14:18:33,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165236667] [2023-12-25 14:18:33,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:18:33,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:18:33,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 14:18:33,940 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 14:18:33,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-25 14:18:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:18:35,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 8665 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-25 14:18:35,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 14:18:35,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 2133 trivial. 0 not checked. [2023-12-25 14:18:35,938 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 14:18:35,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165236667] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:18:35,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 14:18:35,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2023-12-25 14:18:35,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269177839] [2023-12-25 14:18:35,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:18:35,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 14:18:35,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:18:35,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 14:18:35,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2023-12-25 14:18:35,940 INFO L87 Difference]: Start difference. First operand 17048 states and 27031 transitions. Second operand has 8 states, 7 states have (on average 135.85714285714286) internal successors, (951), 8 states have internal predecessors, (951), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-25 14:18:36,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:18:36,824 INFO L93 Difference]: Finished difference Result 32386 states and 51225 transitions. [2023-12-25 14:18:36,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 14:18:36,825 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 135.85714285714286) internal successors, (951), 8 states have internal predecessors, (951), 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 1473 [2023-12-25 14:18:36,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:18:36,846 INFO L225 Difference]: With dead ends: 32386 [2023-12-25 14:18:36,847 INFO L226 Difference]: Without dead ends: 17007 [2023-12-25 14:18:36,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1552 GetRequests, 1532 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2023-12-25 14:18:36,862 INFO L413 NwaCegarLoop]: 2089 mSDtfsCounter, 1952 mSDsluCounter, 10423 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1968 SdHoareTripleChecker+Valid, 12512 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:18:36,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1968 Valid, 12512 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:18:36,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17007 states. [2023-12-25 14:18:37,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17007 to 17007. [2023-12-25 14:18:37,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17007 states, 16261 states have (on average 1.5607281225016911) internal successors, (25379), 16261 states have internal predecessors, (25379), 744 states have call successors, (744), 1 states have call predecessors, (744), 1 states have return successors, (744), 744 states have call predecessors, (744), 744 states have call successors, (744) [2023-12-25 14:18:37,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17007 states to 17007 states and 26867 transitions. [2023-12-25 14:18:37,603 INFO L78 Accepts]: Start accepts. Automaton has 17007 states and 26867 transitions. Word has length 1473 [2023-12-25 14:18:37,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:18:37,603 INFO L495 AbstractCegarLoop]: Abstraction has 17007 states and 26867 transitions. [2023-12-25 14:18:37,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 135.85714285714286) internal successors, (951), 8 states have internal predecessors, (951), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-25 14:18:37,604 INFO L276 IsEmpty]: Start isEmpty. Operand 17007 states and 26867 transitions. [2023-12-25 14:18:37,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1476 [2023-12-25 14:18:37,635 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:18:37,635 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:18:37,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-25 14:18:37,856 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,SelfDestructingSolverStorable67 [2023-12-25 14:18:37,856 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:18:37,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:18:37,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1982031760, now seen corresponding path program 1 times [2023-12-25 14:18:37,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:18:37,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756295430] [2023-12-25 14:18:37,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:18:37,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:19:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:19:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 14:19:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-25 14:19:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-12-25 14:19:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-12-25 14:19:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-12-25 14:19:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-25 14:19:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-12-25 14:19:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 14:19:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2023-12-25 14:19:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 14:19:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 14:19:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 14:19:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2023-12-25 14:19:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2023-12-25 14:19:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2023-12-25 14:19:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2023-12-25 14:19:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2023-12-25 14:19:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2023-12-25 14:19:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1047 [2023-12-25 14:19:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1061 [2023-12-25 14:19:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1080 [2023-12-25 14:19:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1099 [2023-12-25 14:19:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1116 [2023-12-25 14:19:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1135 [2023-12-25 14:19:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2023-12-25 14:19:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1165 [2023-12-25 14:19:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2023-12-25 14:19:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1189 [2023-12-25 14:19:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1201 [2023-12-25 14:19:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1213 [2023-12-25 14:19:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1225 [2023-12-25 14:19:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:14,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2402 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:19:14,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:19:14,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756295430] [2023-12-25 14:19:14,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756295430] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:19:14,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:19:14,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 14:19:14,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507423088] [2023-12-25 14:19:14,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:19:14,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 14:19:14,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:19:14,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 14:19:14,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-25 14:19:14,572 INFO L87 Difference]: Start difference. First operand 17007 states and 26867 transitions. Second operand has 7 states, 7 states have (on average 188.28571428571428) internal successors, (1318), 7 states have internal predecessors, (1318), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:19:17,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:19:17,083 INFO L93 Difference]: Finished difference Result 19337 states and 30600 transitions. [2023-12-25 14:19:17,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 14:19:17,084 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 188.28571428571428) internal successors, (1318), 7 states have internal predecessors, (1318), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 1475 [2023-12-25 14:19:17,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:19:17,108 INFO L225 Difference]: With dead ends: 19337 [2023-12-25 14:19:17,108 INFO L226 Difference]: Without dead ends: 18195 [2023-12-25 14:19:17,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 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 14:19:17,119 INFO L413 NwaCegarLoop]: 2873 mSDtfsCounter, 4807 mSDsluCounter, 8772 mSDsCounter, 0 mSdLazyCounter, 4240 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4807 SdHoareTripleChecker+Valid, 11645 SdHoareTripleChecker+Invalid, 4265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 4240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-25 14:19:17,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4807 Valid, 11645 Invalid, 4265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 4240 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-25 14:19:17,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18195 states. [2023-12-25 14:19:17,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18195 to 17176. [2023-12-25 14:19:17,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17176 states, 16422 states have (on average 1.5606503470953599) internal successors, (25629), 16422 states have internal predecessors, (25629), 752 states have call successors, (752), 1 states have call predecessors, (752), 1 states have return successors, (752), 752 states have call predecessors, (752), 752 states have call successors, (752) [2023-12-25 14:19:17,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17176 states to 17176 states and 27133 transitions. [2023-12-25 14:19:17,797 INFO L78 Accepts]: Start accepts. Automaton has 17176 states and 27133 transitions. Word has length 1475 [2023-12-25 14:19:17,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:19:17,798 INFO L495 AbstractCegarLoop]: Abstraction has 17176 states and 27133 transitions. [2023-12-25 14:19:17,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 188.28571428571428) internal successors, (1318), 7 states have internal predecessors, (1318), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:19:17,798 INFO L276 IsEmpty]: Start isEmpty. Operand 17176 states and 27133 transitions. [2023-12-25 14:19:17,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1477 [2023-12-25 14:19:17,828 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:19:17,828 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:19:17,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-12-25 14:19:17,828 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:19:17,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:19:17,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2090576758, now seen corresponding path program 1 times [2023-12-25 14:19:17,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:19:17,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368950181] [2023-12-25 14:19:17,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:19:17,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:19:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:19:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 14:19:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-25 14:19:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-12-25 14:19:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-12-25 14:19:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-12-25 14:19:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-25 14:19:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-12-25 14:19:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 14:19:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2023-12-25 14:19:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 14:19:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 14:19:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 14:19:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2023-12-25 14:19:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2023-12-25 14:19:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2023-12-25 14:19:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2023-12-25 14:19:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2023-12-25 14:19:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2023-12-25 14:19:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1047 [2023-12-25 14:19:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1061 [2023-12-25 14:19:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1080 [2023-12-25 14:19:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1099 [2023-12-25 14:19:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1116 [2023-12-25 14:19:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1136 [2023-12-25 14:19:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1155 [2023-12-25 14:19:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1166 [2023-12-25 14:19:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1178 [2023-12-25 14:19:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1190 [2023-12-25 14:19:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1202 [2023-12-25 14:19:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2023-12-25 14:19:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1226 [2023-12-25 14:19:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:19:50,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2403 backedges. 419 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:19:50,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:19:50,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368950181] [2023-12-25 14:19:50,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368950181] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:19:50,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:19:50,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 14:19:50,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708117526] [2023-12-25 14:19:50,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:19:50,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 14:19:50,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:19:50,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 14:19:50,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-25 14:19:50,423 INFO L87 Difference]: Start difference. First operand 17176 states and 27133 transitions. Second operand has 7 states, 7 states have (on average 188.42857142857142) internal successors, (1319), 7 states have internal predecessors, (1319), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:19:52,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:19:52,826 INFO L93 Difference]: Finished difference Result 19506 states and 30865 transitions. [2023-12-25 14:19:52,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 14:19:52,827 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 188.42857142857142) internal successors, (1319), 7 states have internal predecessors, (1319), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 1476 [2023-12-25 14:19:52,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:19:52,847 INFO L225 Difference]: With dead ends: 19506 [2023-12-25 14:19:52,848 INFO L226 Difference]: Without dead ends: 18195 [2023-12-25 14:19:52,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 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 14:19:52,855 INFO L413 NwaCegarLoop]: 2878 mSDtfsCounter, 4630 mSDsluCounter, 8817 mSDsCounter, 0 mSdLazyCounter, 4247 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4630 SdHoareTripleChecker+Valid, 11695 SdHoareTripleChecker+Invalid, 4271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 4247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-25 14:19:52,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4630 Valid, 11695 Invalid, 4271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 4247 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-25 14:19:52,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18195 states. [2023-12-25 14:19:53,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18195 to 17177. [2023-12-25 14:19:53,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17177 states, 16423 states have (on average 1.5606162089752176) internal successors, (25630), 16423 states have internal predecessors, (25630), 752 states have call successors, (752), 1 states have call predecessors, (752), 1 states have return successors, (752), 752 states have call predecessors, (752), 752 states have call successors, (752) [2023-12-25 14:19:53,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17177 states to 17177 states and 27134 transitions. [2023-12-25 14:19:53,527 INFO L78 Accepts]: Start accepts. Automaton has 17177 states and 27134 transitions. Word has length 1476 [2023-12-25 14:19:53,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:19:53,528 INFO L495 AbstractCegarLoop]: Abstraction has 17177 states and 27134 transitions. [2023-12-25 14:19:53,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 188.42857142857142) internal successors, (1319), 7 states have internal predecessors, (1319), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:19:53,528 INFO L276 IsEmpty]: Start isEmpty. Operand 17177 states and 27134 transitions. [2023-12-25 14:19:53,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1477 [2023-12-25 14:19:53,556 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:19:53,557 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:19:53,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-12-25 14:19:53,557 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:19:53,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:19:53,557 INFO L85 PathProgramCache]: Analyzing trace with hash 268817272, now seen corresponding path program 1 times [2023-12-25 14:19:53,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:19:53,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308681439] [2023-12-25 14:19:53,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:19:53,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:20:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:20:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 14:20:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-25 14:20:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-12-25 14:20:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-12-25 14:20:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-12-25 14:20:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-25 14:20:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-12-25 14:20:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 14:20:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2023-12-25 14:20:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 14:20:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 14:20:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 14:20:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2023-12-25 14:20:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2023-12-25 14:20:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2023-12-25 14:20:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2023-12-25 14:20:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2023-12-25 14:20:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2023-12-25 14:20:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1047 [2023-12-25 14:20:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1061 [2023-12-25 14:20:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1080 [2023-12-25 14:20:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1099 [2023-12-25 14:20:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1116 [2023-12-25 14:20:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1136 [2023-12-25 14:20:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1155 [2023-12-25 14:20:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1166 [2023-12-25 14:20:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1178 [2023-12-25 14:20:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1190 [2023-12-25 14:20:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1202 [2023-12-25 14:20:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2023-12-25 14:20:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1226 [2023-12-25 14:20:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2403 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 2293 trivial. 0 not checked. [2023-12-25 14:20:13,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:20:13,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308681439] [2023-12-25 14:20:13,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308681439] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:20:13,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:20:13,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 14:20:13,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092272122] [2023-12-25 14:20:13,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:20:13,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 14:20:13,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:20:13,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 14:20:13,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-25 14:20:13,688 INFO L87 Difference]: Start difference. First operand 17177 states and 27134 transitions. Second operand has 7 states, 7 states have (on average 146.14285714285714) internal successors, (1023), 7 states have internal predecessors, (1023), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-25 14:20:14,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:20:14,893 INFO L93 Difference]: Finished difference Result 34861 states and 55101 transitions. [2023-12-25 14:20:14,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 14:20:14,894 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 146.14285714285714) internal successors, (1023), 7 states have internal predecessors, (1023), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 1476 [2023-12-25 14:20:14,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:20:14,925 INFO L225 Difference]: With dead ends: 34861 [2023-12-25 14:20:14,926 INFO L226 Difference]: Without dead ends: 28995 [2023-12-25 14:20:14,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-12-25 14:20:14,939 INFO L413 NwaCegarLoop]: 3967 mSDtfsCounter, 7028 mSDsluCounter, 12236 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7052 SdHoareTripleChecker+Valid, 16203 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:20:14,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7052 Valid, 16203 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:20:14,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28995 states. [2023-12-25 14:20:15,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28995 to 17177. [2023-12-25 14:20:15,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17177 states, 16423 states have (on average 1.5583632710223467) internal successors, (25593), 16423 states have internal predecessors, (25593), 752 states have call successors, (752), 1 states have call predecessors, (752), 1 states have return successors, (752), 752 states have call predecessors, (752), 752 states have call successors, (752) [2023-12-25 14:20:15,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17177 states to 17177 states and 27097 transitions. [2023-12-25 14:20:15,702 INFO L78 Accepts]: Start accepts. Automaton has 17177 states and 27097 transitions. Word has length 1476 [2023-12-25 14:20:15,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:20:15,702 INFO L495 AbstractCegarLoop]: Abstraction has 17177 states and 27097 transitions. [2023-12-25 14:20:15,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 146.14285714285714) internal successors, (1023), 7 states have internal predecessors, (1023), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-25 14:20:15,702 INFO L276 IsEmpty]: Start isEmpty. Operand 17177 states and 27097 transitions. [2023-12-25 14:20:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1477 [2023-12-25 14:20:15,732 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:20:15,733 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:20:15,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-12-25 14:20:15,733 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:20:15,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:20:15,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1523620028, now seen corresponding path program 1 times [2023-12-25 14:20:15,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:20:15,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055551494] [2023-12-25 14:20:15,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:20:15,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:20:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:20:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 14:20:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-25 14:20:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-12-25 14:20:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-12-25 14:20:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-12-25 14:20:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-25 14:20:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-12-25 14:20:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 14:20:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2023-12-25 14:20:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 14:20:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 14:20:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 14:20:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2023-12-25 14:20:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2023-12-25 14:20:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2023-12-25 14:20:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2023-12-25 14:20:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2023-12-25 14:20:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1033 [2023-12-25 14:20:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1047 [2023-12-25 14:20:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1061 [2023-12-25 14:20:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1080 [2023-12-25 14:20:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1099 [2023-12-25 14:20:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1116 [2023-12-25 14:20:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1136 [2023-12-25 14:20:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1155 [2023-12-25 14:20:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1166 [2023-12-25 14:20:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1178 [2023-12-25 14:20:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1190 [2023-12-25 14:20:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1202 [2023-12-25 14:20:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2023-12-25 14:20:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1226 [2023-12-25 14:20:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:46,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2403 backedges. 397 proven. 3 refuted. 0 times theorem prover too weak. 2003 trivial. 0 not checked. [2023-12-25 14:20:46,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:20:46,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055551494] [2023-12-25 14:20:46,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055551494] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 14:20:46,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165896689] [2023-12-25 14:20:46,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:20:46,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:20:46,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 14:20:46,964 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 14:20:46,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-25 14:20:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:20:48,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 8675 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-25 14:20:48,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 14:20:48,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2403 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 2013 trivial. 0 not checked. [2023-12-25 14:20:48,801 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 14:20:48,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165896689] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:20:48,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 14:20:48,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2023-12-25 14:20:48,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047276290] [2023-12-25 14:20:48,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:20:48,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 14:20:48,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:20:48,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 14:20:48,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2023-12-25 14:20:48,803 INFO L87 Difference]: Start difference. First operand 17177 states and 27097 transitions. Second operand has 8 states, 7 states have (on average 137.14285714285714) internal successors, (960), 8 states have internal predecessors, (960), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-25 14:20:49,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:20:49,517 INFO L93 Difference]: Finished difference Result 28476 states and 44880 transitions. [2023-12-25 14:20:49,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 14:20:49,518 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 137.14285714285714) internal successors, (960), 8 states have internal predecessors, (960), 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 1476 [2023-12-25 14:20:49,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:20:49,537 INFO L225 Difference]: With dead ends: 28476 [2023-12-25 14:20:49,537 INFO L226 Difference]: Without dead ends: 17177 [2023-12-25 14:20:49,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1550 GetRequests, 1535 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2023-12-25 14:20:49,549 INFO L413 NwaCegarLoop]: 2088 mSDtfsCounter, 1951 mSDsluCounter, 10418 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1967 SdHoareTripleChecker+Valid, 12506 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:20:49,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1967 Valid, 12506 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:20:49,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17177 states. [2023-12-25 14:20:50,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17177 to 17129. [2023-12-25 14:20:50,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17129 states, 16375 states have (on average 1.5535267175572518) internal successors, (25439), 16375 states have internal predecessors, (25439), 752 states have call successors, (752), 1 states have call predecessors, (752), 1 states have return successors, (752), 752 states have call predecessors, (752), 752 states have call successors, (752) [2023-12-25 14:20:50,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17129 states to 17129 states and 26943 transitions. [2023-12-25 14:20:50,325 INFO L78 Accepts]: Start accepts. Automaton has 17129 states and 26943 transitions. Word has length 1476 [2023-12-25 14:20:50,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:20:50,325 INFO L495 AbstractCegarLoop]: Abstraction has 17129 states and 26943 transitions. [2023-12-25 14:20:50,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 137.14285714285714) internal successors, (960), 8 states have internal predecessors, (960), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-25 14:20:50,326 INFO L276 IsEmpty]: Start isEmpty. Operand 17129 states and 26943 transitions. [2023-12-25 14:20:50,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1479 [2023-12-25 14:20:50,356 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:20:50,357 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:20:50,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-25 14:20:50,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable71 [2023-12-25 14:20:50,573 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:20:50,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:20:50,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1696581190, now seen corresponding path program 1 times [2023-12-25 14:20:50,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:20:50,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609272286] [2023-12-25 14:20:50,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:20:50,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:21:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:21:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 14:21:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-25 14:21:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-12-25 14:21:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-12-25 14:21:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-12-25 14:21:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-25 14:21:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-12-25 14:21:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 14:21:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2023-12-25 14:21:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 14:21:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 14:21:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 14:21:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2023-12-25 14:21:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2023-12-25 14:21:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2023-12-25 14:21:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1005 [2023-12-25 14:21:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1020 [2023-12-25 14:21:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1035 [2023-12-25 14:21:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2023-12-25 14:21:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1063 [2023-12-25 14:21:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1082 [2023-12-25 14:21:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1101 [2023-12-25 14:21:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1118 [2023-12-25 14:21:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1138 [2023-12-25 14:21:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1157 [2023-12-25 14:21:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2023-12-25 14:21:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1180 [2023-12-25 14:21:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1192 [2023-12-25 14:21:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2023-12-25 14:21:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1216 [2023-12-25 14:21:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1228 [2023-12-25 14:21:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:27,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2404 backedges. 415 proven. 5 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:21:27,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:21:27,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609272286] [2023-12-25 14:21:27,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609272286] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 14:21:27,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186633113] [2023-12-25 14:21:27,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:21:27,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:21:27,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 14:21:27,430 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 14:21:27,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-25 14:21:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:29,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 8683 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 14:21:29,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 14:21:30,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2404 backedges. 1444 proven. 0 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2023-12-25 14:21:30,735 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 14:21:30,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186633113] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:21:30,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 14:21:30,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2023-12-25 14:21:30,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427994896] [2023-12-25 14:21:30,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:21:30,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 14:21:30,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:21:30,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 14:21:30,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2023-12-25 14:21:30,739 INFO L87 Difference]: Start difference. First operand 17129 states and 26943 transitions. Second operand has 6 states, 6 states have (on average 220.66666666666666) internal successors, (1324), 6 states have internal predecessors, (1324), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:21:32,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:21:32,749 INFO L93 Difference]: Finished difference Result 21185 states and 33422 transitions. [2023-12-25 14:21:32,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 14:21:32,749 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 220.66666666666666) internal successors, (1324), 6 states have internal predecessors, (1324), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 1478 [2023-12-25 14:21:32,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:21:32,771 INFO L225 Difference]: With dead ends: 21185 [2023-12-25 14:21:32,771 INFO L226 Difference]: Without dead ends: 19873 [2023-12-25 14:21:32,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1556 GetRequests, 1539 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2023-12-25 14:21:32,779 INFO L413 NwaCegarLoop]: 2625 mSDtfsCounter, 4293 mSDsluCounter, 4738 mSDsCounter, 0 mSdLazyCounter, 2670 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4295 SdHoareTripleChecker+Valid, 7363 SdHoareTripleChecker+Invalid, 2676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-25 14:21:32,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4295 Valid, 7363 Invalid, 2676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2670 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-25 14:21:32,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19873 states. [2023-12-25 14:21:33,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19873 to 19684. [2023-12-25 14:21:33,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19684 states, 18930 states have (on average 1.559799260433175) internal successors, (29527), 18930 states have internal predecessors, (29527), 752 states have call successors, (752), 1 states have call predecessors, (752), 1 states have return successors, (752), 752 states have call predecessors, (752), 752 states have call successors, (752) [2023-12-25 14:21:33,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19684 states to 19684 states and 31031 transitions. [2023-12-25 14:21:33,558 INFO L78 Accepts]: Start accepts. Automaton has 19684 states and 31031 transitions. Word has length 1478 [2023-12-25 14:21:33,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:21:33,559 INFO L495 AbstractCegarLoop]: Abstraction has 19684 states and 31031 transitions. [2023-12-25 14:21:33,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 220.66666666666666) internal successors, (1324), 6 states have internal predecessors, (1324), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-25 14:21:33,560 INFO L276 IsEmpty]: Start isEmpty. Operand 19684 states and 31031 transitions. [2023-12-25 14:21:33,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1479 [2023-12-25 14:21:33,593 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:21:33,594 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:21:33,617 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 14:21:33,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:21:33,815 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:21:33,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:21:33,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1167811504, now seen corresponding path program 1 times [2023-12-25 14:21:33,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:21:33,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722295948] [2023-12-25 14:21:33,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:21:33,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:21:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:21:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 14:21:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-12-25 14:21:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 14:21:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-12-25 14:21:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-12-25 14:21:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-12-25 14:21:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 14:21:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:21:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 14:21:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2023-12-25 14:21:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-12-25 14:21:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-12-25 14:21:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-12-25 14:21:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-12-25 14:21:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:21:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1005 [2023-12-25 14:21:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1020 [2023-12-25 14:21:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1035 [2023-12-25 14:21:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2023-12-25 14:21:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1063 [2023-12-25 14:21:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1082 [2023-12-25 14:21:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1101 [2023-12-25 14:21:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1118 [2023-12-25 14:21:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1138 [2023-12-25 14:21:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1157 [2023-12-25 14:21:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2023-12-25 14:21:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1180 [2023-12-25 14:21:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1192 [2023-12-25 14:21:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2023-12-25 14:21:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1216 [2023-12-25 14:21:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1228 [2023-12-25 14:21:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:21:52,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2404 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 2372 trivial. 0 not checked. [2023-12-25 14:21:52,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:21:52,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722295948] [2023-12-25 14:21:52,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722295948] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:21:52,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:21:52,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 14:21:52,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981657634] [2023-12-25 14:21:52,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:21:52,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 14:21:52,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:21:52,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 14:21:52,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 14:21:52,133 INFO L87 Difference]: Start difference. First operand 19684 states and 31031 transitions. Second operand has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-25 14:21:52,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:21:52,828 INFO L93 Difference]: Finished difference Result 33702 states and 53118 transitions. [2023-12-25 14:21:52,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:21:52,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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 1478 [2023-12-25 14:21:52,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:21:52,848 INFO L225 Difference]: With dead ends: 33702 [2023-12-25 14:21:52,848 INFO L226 Difference]: Without dead ends: 19684 [2023-12-25 14:21:52,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:21:52,862 INFO L413 NwaCegarLoop]: 2140 mSDtfsCounter, 3673 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3673 SdHoareTripleChecker+Valid, 2563 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:21:52,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3673 Valid, 2563 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:21:52,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19684 states. [2023-12-25 14:21:53,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19684 to 19684. [2023-12-25 14:21:53,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19684 states, 18930 states have (on average 1.5567353407290017) internal successors, (29469), 18930 states have internal predecessors, (29469), 752 states have call successors, (752), 1 states have call predecessors, (752), 1 states have return successors, (752), 752 states have call predecessors, (752), 752 states have call successors, (752) [2023-12-25 14:21:53,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19684 states to 19684 states and 30973 transitions. [2023-12-25 14:21:53,574 INFO L78 Accepts]: Start accepts. Automaton has 19684 states and 30973 transitions. Word has length 1478 [2023-12-25 14:21:53,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:21:53,575 INFO L495 AbstractCegarLoop]: Abstraction has 19684 states and 30973 transitions. [2023-12-25 14:21:53,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-25 14:21:53,575 INFO L276 IsEmpty]: Start isEmpty. Operand 19684 states and 30973 transitions. [2023-12-25 14:21:53,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1479 [2023-12-25 14:21:53,605 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:21:53,606 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:21:53,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-12-25 14:21:53,606 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:21:53,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:21:53,606 INFO L85 PathProgramCache]: Analyzing trace with hash 959989042, now seen corresponding path program 1 times [2023-12-25 14:21:53,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:21:53,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311310837] [2023-12-25 14:21:53,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:21:53,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:22:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:22:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 14:22:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-12-25 14:22:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 14:22:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-12-25 14:22:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-12-25 14:22:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-12-25 14:22:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 14:22:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:22:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 14:22:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2023-12-25 14:22:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-12-25 14:22:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-12-25 14:22:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-12-25 14:22:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-12-25 14:22:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:22:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1005 [2023-12-25 14:22:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1020 [2023-12-25 14:22:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1035 [2023-12-25 14:22:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2023-12-25 14:22:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1063 [2023-12-25 14:22:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1082 [2023-12-25 14:22:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1101 [2023-12-25 14:22:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1118 [2023-12-25 14:22:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1138 [2023-12-25 14:22:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1157 [2023-12-25 14:22:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2023-12-25 14:22:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1180 [2023-12-25 14:22:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1192 [2023-12-25 14:22:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2023-12-25 14:22:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1216 [2023-12-25 14:22:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1228 [2023-12-25 14:22:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:22:26,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2404 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 2285 trivial. 0 not checked. [2023-12-25 14:22:26,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:22:26,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311310837] [2023-12-25 14:22:26,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311310837] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:22:26,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:22:26,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 14:22:26,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854114832] [2023-12-25 14:22:26,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:22:26,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 14:22:26,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:22:26,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 14:22:26,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-25 14:22:26,659 INFO L87 Difference]: Start difference. First operand 19684 states and 30973 transitions. Second operand has 8 states, 8 states have (on average 129.0) internal successors, (1032), 8 states have internal predecessors, (1032), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-12-25 14:22:29,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:22:29,754 INFO L93 Difference]: Finished difference Result 53842 states and 84580 transitions. [2023-12-25 14:22:29,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 14:22:29,755 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 129.0) internal successors, (1032), 8 states have internal predecessors, (1032), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 1478 [2023-12-25 14:22:29,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:22:29,792 INFO L225 Difference]: With dead ends: 53842 [2023-12-25 14:22:29,793 INFO L226 Difference]: Without dead ends: 36789 [2023-12-25 14:22:29,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-12-25 14:22:29,811 INFO L413 NwaCegarLoop]: 1785 mSDtfsCounter, 8447 mSDsluCounter, 7146 mSDsCounter, 0 mSdLazyCounter, 2948 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8463 SdHoareTripleChecker+Valid, 8931 SdHoareTripleChecker+Invalid, 2985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-25 14:22:29,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8463 Valid, 8931 Invalid, 2985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2948 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-25 14:22:29,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36789 states. [2023-12-25 14:22:31,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36789 to 36737. [2023-12-25 14:22:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36737 states, 35271 states have (on average 1.5520682713844234) internal successors, (54743), 35271 states have internal predecessors, (54743), 1464 states have call successors, (1464), 1 states have call predecessors, (1464), 1 states have return successors, (1464), 1464 states have call predecessors, (1464), 1464 states have call successors, (1464) [2023-12-25 14:22:31,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36737 states to 36737 states and 57671 transitions. [2023-12-25 14:22:31,277 INFO L78 Accepts]: Start accepts. Automaton has 36737 states and 57671 transitions. Word has length 1478 [2023-12-25 14:22:31,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:22:31,277 INFO L495 AbstractCegarLoop]: Abstraction has 36737 states and 57671 transitions. [2023-12-25 14:22:31,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 129.0) internal successors, (1032), 8 states have internal predecessors, (1032), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-12-25 14:22:31,277 INFO L276 IsEmpty]: Start isEmpty. Operand 36737 states and 57671 transitions. [2023-12-25 14:22:31,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1479 [2023-12-25 14:22:31,332 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:22:31,332 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:22:31,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2023-12-25 14:22:31,333 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:22:31,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:22:31,333 INFO L85 PathProgramCache]: Analyzing trace with hash -968621070, now seen corresponding path program 1 times [2023-12-25 14:22:31,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:22:31,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811926517] [2023-12-25 14:22:31,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:22:31,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:23:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:23:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 14:23:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-12-25 14:23:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 14:23:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-12-25 14:23:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-12-25 14:23:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-12-25 14:23:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 14:23:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:23:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 14:23:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2023-12-25 14:23:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-12-25 14:23:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-12-25 14:23:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-12-25 14:23:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-12-25 14:23:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:23:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1005 [2023-12-25 14:23:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1020 [2023-12-25 14:23:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1035 [2023-12-25 14:23:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2023-12-25 14:23:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1063 [2023-12-25 14:23:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1082 [2023-12-25 14:23:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1101 [2023-12-25 14:23:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1118 [2023-12-25 14:23:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1138 [2023-12-25 14:23:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1157 [2023-12-25 14:23:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2023-12-25 14:23:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1180 [2023-12-25 14:23:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1192 [2023-12-25 14:23:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2023-12-25 14:23:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1216 [2023-12-25 14:23:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1228 [2023-12-25 14:23:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:06,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2404 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 2204 trivial. 0 not checked. [2023-12-25 14:23:06,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:23:06,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811926517] [2023-12-25 14:23:06,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811926517] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:23:06,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:23:06,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 14:23:06,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549092521] [2023-12-25 14:23:06,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:23:06,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 14:23:06,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:23:06,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 14:23:06,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-25 14:23:06,042 INFO L87 Difference]: Start difference. First operand 36737 states and 57671 transitions. Second operand has 8 states, 8 states have (on average 138.0) internal successors, (1104), 8 states have internal predecessors, (1104), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:23:09,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:23:09,360 INFO L93 Difference]: Finished difference Result 42286 states and 66506 transitions. [2023-12-25 14:23:09,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 14:23:09,361 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 138.0) internal successors, (1104), 8 states have internal predecessors, (1104), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 1478 [2023-12-25 14:23:09,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:23:09,397 INFO L225 Difference]: With dead ends: 42286 [2023-12-25 14:23:09,397 INFO L226 Difference]: Without dead ends: 36789 [2023-12-25 14:23:09,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-12-25 14:23:09,408 INFO L413 NwaCegarLoop]: 3193 mSDtfsCounter, 5529 mSDsluCounter, 10920 mSDsCounter, 0 mSdLazyCounter, 3387 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5545 SdHoareTripleChecker+Valid, 14113 SdHoareTripleChecker+Invalid, 3411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 3387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-25 14:23:09,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5545 Valid, 14113 Invalid, 3411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 3387 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-25 14:23:09,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36789 states. [2023-12-25 14:23:10,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36789 to 36737. [2023-12-25 14:23:10,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36737 states, 35271 states have (on average 1.5518414561537808) internal successors, (54735), 35271 states have internal predecessors, (54735), 1464 states have call successors, (1464), 1 states have call predecessors, (1464), 1 states have return successors, (1464), 1464 states have call predecessors, (1464), 1464 states have call successors, (1464) [2023-12-25 14:23:10,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36737 states to 36737 states and 57663 transitions. [2023-12-25 14:23:10,849 INFO L78 Accepts]: Start accepts. Automaton has 36737 states and 57663 transitions. Word has length 1478 [2023-12-25 14:23:10,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:23:10,849 INFO L495 AbstractCegarLoop]: Abstraction has 36737 states and 57663 transitions. [2023-12-25 14:23:10,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 138.0) internal successors, (1104), 8 states have internal predecessors, (1104), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:23:10,850 INFO L276 IsEmpty]: Start isEmpty. Operand 36737 states and 57663 transitions. [2023-12-25 14:23:11,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1479 [2023-12-25 14:23:11,023 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:23:11,023 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:23:11,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-12-25 14:23:11,023 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:23:11,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:23:11,024 INFO L85 PathProgramCache]: Analyzing trace with hash 757384626, now seen corresponding path program 1 times [2023-12-25 14:23:11,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:23:11,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090002134] [2023-12-25 14:23:11,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:23:11,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:23:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:23:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 14:23:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-12-25 14:23:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 14:23:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-12-25 14:23:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-12-25 14:23:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-12-25 14:23:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 14:23:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:23:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 14:23:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2023-12-25 14:23:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-12-25 14:23:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-12-25 14:23:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-12-25 14:23:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-12-25 14:23:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:23:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1005 [2023-12-25 14:23:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1020 [2023-12-25 14:23:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1035 [2023-12-25 14:23:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2023-12-25 14:23:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1063 [2023-12-25 14:23:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1082 [2023-12-25 14:23:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1101 [2023-12-25 14:23:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1118 [2023-12-25 14:23:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1138 [2023-12-25 14:23:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1157 [2023-12-25 14:23:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2023-12-25 14:23:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1180 [2023-12-25 14:23:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1192 [2023-12-25 14:23:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2023-12-25 14:23:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1216 [2023-12-25 14:23:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1228 [2023-12-25 14:23:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:23:49,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2404 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 2121 trivial. 0 not checked. [2023-12-25 14:23:49,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:23:49,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090002134] [2023-12-25 14:23:49,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090002134] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:23:49,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:23:49,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 14:23:49,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941777676] [2023-12-25 14:23:49,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:23:49,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 14:23:49,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:23:49,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 14:23:49,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-25 14:23:49,069 INFO L87 Difference]: Start difference. First operand 36737 states and 57663 transitions. Second operand has 8 states, 8 states have (on average 148.375) internal successors, (1187), 8 states have internal predecessors, (1187), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:23:52,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:23:52,041 INFO L93 Difference]: Finished difference Result 41584 states and 65386 transitions. [2023-12-25 14:23:52,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 14:23:52,041 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 148.375) internal successors, (1187), 8 states have internal predecessors, (1187), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 1478 [2023-12-25 14:23:52,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:23:52,091 INFO L225 Difference]: With dead ends: 41584 [2023-12-25 14:23:52,092 INFO L226 Difference]: Without dead ends: 36789 [2023-12-25 14:23:52,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-12-25 14:23:52,110 INFO L413 NwaCegarLoop]: 1776 mSDtfsCounter, 5074 mSDsluCounter, 7100 mSDsCounter, 0 mSdLazyCounter, 2931 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5090 SdHoareTripleChecker+Valid, 8876 SdHoareTripleChecker+Invalid, 2941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:23:52,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5090 Valid, 8876 Invalid, 2941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2931 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-25 14:23:52,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36789 states. [2023-12-25 14:23:53,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36789 to 36737. [2023-12-25 14:23:53,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36737 states, 35271 states have (on average 1.551614640923138) internal successors, (54727), 35271 states have internal predecessors, (54727), 1464 states have call successors, (1464), 1 states have call predecessors, (1464), 1 states have return successors, (1464), 1464 states have call predecessors, (1464), 1464 states have call successors, (1464) [2023-12-25 14:23:53,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36737 states to 36737 states and 57655 transitions. [2023-12-25 14:23:53,601 INFO L78 Accepts]: Start accepts. Automaton has 36737 states and 57655 transitions. Word has length 1478 [2023-12-25 14:23:53,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:23:53,601 INFO L495 AbstractCegarLoop]: Abstraction has 36737 states and 57655 transitions. [2023-12-25 14:23:53,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 148.375) internal successors, (1187), 8 states have internal predecessors, (1187), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-12-25 14:23:53,602 INFO L276 IsEmpty]: Start isEmpty. Operand 36737 states and 57655 transitions. [2023-12-25 14:23:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1479 [2023-12-25 14:23:53,656 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:23:53,656 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:23:53,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2023-12-25 14:23:53,656 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:23:53,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:23:53,657 INFO L85 PathProgramCache]: Analyzing trace with hash -2057839630, now seen corresponding path program 1 times [2023-12-25 14:23:53,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:23:53,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683135072] [2023-12-25 14:23:53,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:23:53,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:24:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:24:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 14:24:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-12-25 14:24:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-12-25 14:24:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-12-25 14:24:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-12-25 14:24:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-12-25 14:24:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-12-25 14:24:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 14:24:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 14:24:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2023-12-25 14:24:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-12-25 14:24:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-12-25 14:24:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-12-25 14:24:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-12-25 14:24:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:24:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1005 [2023-12-25 14:24:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1020 [2023-12-25 14:24:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1035 [2023-12-25 14:24:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2023-12-25 14:24:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1063 [2023-12-25 14:24:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1082 [2023-12-25 14:24:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1101 [2023-12-25 14:24:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1118 [2023-12-25 14:24:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1138 [2023-12-25 14:24:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1157 [2023-12-25 14:24:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2023-12-25 14:24:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1180 [2023-12-25 14:24:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1192 [2023-12-25 14:24:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2023-12-25 14:24:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1216 [2023-12-25 14:24:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1228 [2023-12-25 14:24:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:22,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2404 backedges. 415 proven. 5 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:24:22,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:24:22,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683135072] [2023-12-25 14:24:22,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683135072] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 14:24:22,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841100826] [2023-12-25 14:24:22,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:24:22,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:24:22,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 14:24:22,447 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 14:24:22,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-25 14:24:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:24:24,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 8689 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-25 14:24:24,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 14:24:24,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2404 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 1900 trivial. 0 not checked. [2023-12-25 14:24:24,320 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 14:24:24,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841100826] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:24:24,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 14:24:24,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2023-12-25 14:24:24,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254817023] [2023-12-25 14:24:24,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:24:24,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 14:24:24,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:24:24,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 14:24:24,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2023-12-25 14:24:24,322 INFO L87 Difference]: Start difference. First operand 36737 states and 57655 transitions. Second operand has 8 states, 7 states have (on average 138.71428571428572) internal successors, (971), 8 states have internal predecessors, (971), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-25 14:24:25,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:24:25,875 INFO L93 Difference]: Finished difference Result 67123 states and 105372 transitions. [2023-12-25 14:24:25,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 14:24:25,875 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 138.71428571428572) internal successors, (971), 8 states have internal predecessors, (971), 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 1478 [2023-12-25 14:24:25,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:24:25,922 INFO L225 Difference]: With dead ends: 67123 [2023-12-25 14:24:25,923 INFO L226 Difference]: Without dead ends: 36737 [2023-12-25 14:24:25,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1557 GetRequests, 1537 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2023-12-25 14:24:25,956 INFO L413 NwaCegarLoop]: 2085 mSDtfsCounter, 1948 mSDsluCounter, 10403 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1964 SdHoareTripleChecker+Valid, 12488 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:24:25,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1964 Valid, 12488 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:24:25,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36737 states. [2023-12-25 14:24:27,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36737 to 36737. [2023-12-25 14:24:27,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36737 states, 35271 states have (on average 1.5474185591562473) internal successors, (54579), 35271 states have internal predecessors, (54579), 1464 states have call successors, (1464), 1 states have call predecessors, (1464), 1 states have return successors, (1464), 1464 states have call predecessors, (1464), 1464 states have call successors, (1464) [2023-12-25 14:24:27,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36737 states to 36737 states and 57507 transitions. [2023-12-25 14:24:27,519 INFO L78 Accepts]: Start accepts. Automaton has 36737 states and 57507 transitions. Word has length 1478 [2023-12-25 14:24:27,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:24:27,520 INFO L495 AbstractCegarLoop]: Abstraction has 36737 states and 57507 transitions. [2023-12-25 14:24:27,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 138.71428571428572) internal successors, (971), 8 states have internal predecessors, (971), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-25 14:24:27,520 INFO L276 IsEmpty]: Start isEmpty. Operand 36737 states and 57507 transitions. [2023-12-25 14:24:27,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1481 [2023-12-25 14:24:27,572 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:24:27,573 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:24:27,593 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 14:24:27,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:24:27,792 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:24:27,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:24:27,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1881479120, now seen corresponding path program 1 times [2023-12-25 14:24:27,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:24:27,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577552670] [2023-12-25 14:24:27,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:24:27,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:24:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:25:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 14:25:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-12-25 14:25:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 14:25:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-12-25 14:25:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-25 14:25:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-12-25 14:25:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-12-25 14:25:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-12-25 14:25:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-12-25 14:25:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-12-25 14:25:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-12-25 14:25:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2023-12-25 14:25:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-12-25 14:25:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-12-25 14:25:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2023-12-25 14:25:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2023-12-25 14:25:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1021 [2023-12-25 14:25:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1036 [2023-12-25 14:25:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2023-12-25 14:25:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1065 [2023-12-25 14:25:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1084 [2023-12-25 14:25:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1103 [2023-12-25 14:25:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1120 [2023-12-25 14:25:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1140 [2023-12-25 14:25:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2023-12-25 14:25:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1170 [2023-12-25 14:25:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2023-12-25 14:25:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1194 [2023-12-25 14:25:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1206 [2023-12-25 14:25:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1218 [2023-12-25 14:25:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2023-12-25 14:25:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2405 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 2334 trivial. 0 not checked. [2023-12-25 14:25:01,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:25:01,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577552670] [2023-12-25 14:25:01,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577552670] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:25:01,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:25:01,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 14:25:01,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933992824] [2023-12-25 14:25:01,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:25:01,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 14:25:01,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:25:01,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 14:25:01,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-25 14:25:01,705 INFO L87 Difference]: Start difference. First operand 36737 states and 57507 transitions. Second operand has 7 states, 7 states have (on average 141.28571428571428) internal successors, (989), 7 states have internal predecessors, (989), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-25 14:25:04,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:25:04,100 INFO L93 Difference]: Finished difference Result 63243 states and 99040 transitions. [2023-12-25 14:25:04,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 14:25:04,101 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 141.28571428571428) internal successors, (989), 7 states have internal predecessors, (989), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 1480 [2023-12-25 14:25:04,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:25:04,140 INFO L225 Difference]: With dead ends: 63243 [2023-12-25 14:25:04,141 INFO L226 Difference]: Without dead ends: 37329 [2023-12-25 14:25:04,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 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 14:25:04,168 INFO L413 NwaCegarLoop]: 1650 mSDtfsCounter, 3787 mSDsluCounter, 3718 mSDsCounter, 0 mSdLazyCounter, 1899 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3787 SdHoareTripleChecker+Valid, 5368 SdHoareTripleChecker+Invalid, 1928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:25:04,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3787 Valid, 5368 Invalid, 1928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1899 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-25 14:25:04,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37329 states. [2023-12-25 14:25:05,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37329 to 37033. [2023-12-25 14:25:05,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37033 states, 35567 states have (on average 1.5387016054207552) internal successors, (54727), 35567 states have internal predecessors, (54727), 1464 states have call successors, (1464), 1 states have call predecessors, (1464), 1 states have return successors, (1464), 1464 states have call predecessors, (1464), 1464 states have call successors, (1464) [2023-12-25 14:25:05,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37033 states to 37033 states and 57655 transitions. [2023-12-25 14:25:05,766 INFO L78 Accepts]: Start accepts. Automaton has 37033 states and 57655 transitions. Word has length 1480 [2023-12-25 14:25:05,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:25:05,766 INFO L495 AbstractCegarLoop]: Abstraction has 37033 states and 57655 transitions. [2023-12-25 14:25:05,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 141.28571428571428) internal successors, (989), 7 states have internal predecessors, (989), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-25 14:25:05,766 INFO L276 IsEmpty]: Start isEmpty. Operand 37033 states and 57655 transitions. [2023-12-25 14:25:05,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1483 [2023-12-25 14:25:05,819 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:25:05,820 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:25:05,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2023-12-25 14:25:05,820 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:25:05,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:25:05,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1025198926, now seen corresponding path program 1 times [2023-12-25 14:25:05,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:25:05,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518387829] [2023-12-25 14:25:05,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:25:05,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:25:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-25 14:25:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-25 14:25:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-12-25 14:25:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-25 14:25:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-12-25 14:25:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-12-25 14:25:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 14:25:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-12-25 14:25:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2023-12-25 14:25:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-12-25 14:25:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-12-25 14:25:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-12-25 14:25:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-12-25 14:25:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2023-12-25 14:25:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 14:25:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2023-12-25 14:25:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1007 [2023-12-25 14:25:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1022 [2023-12-25 14:25:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1037 [2023-12-25 14:25:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1052 [2023-12-25 14:25:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1066 [2023-12-25 14:25:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1086 [2023-12-25 14:25:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2023-12-25 14:25:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2023-12-25 14:25:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1142 [2023-12-25 14:25:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1161 [2023-12-25 14:25:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1172 [2023-12-25 14:25:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2023-12-25 14:25:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1196 [2023-12-25 14:25:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1208 [2023-12-25 14:25:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1220 [2023-12-25 14:25:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1232 [2023-12-25 14:25:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:37,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2406 backedges. 417 proven. 5 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-25 14:25:37,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:25:37,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518387829] [2023-12-25 14:25:37,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518387829] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 14:25:37,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284993660] [2023-12-25 14:25:37,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:25:37,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-25 14:25:37,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 14:25:37,216 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-25 14:25:37,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-25 14:25:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:25:38,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 8701 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-25 14:25:38,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 14:25:39,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2406 backedges. 610 proven. 0 refuted. 0 times theorem prover too weak. 1796 trivial. 0 not checked. [2023-12-25 14:25:39,096 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 14:25:39,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284993660] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:25:39,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 14:25:39,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2023-12-25 14:25:39,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880791336] [2023-12-25 14:25:39,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:25:39,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 14:25:39,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:25:39,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 14:25:39,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2023-12-25 14:25:39,098 INFO L87 Difference]: Start difference. First operand 37033 states and 57655 transitions. Second operand has 8 states, 7 states have (on average 140.42857142857142) internal successors, (983), 8 states have internal predecessors, (983), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-25 14:25:40,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:25:40,647 INFO L93 Difference]: Finished difference Result 65699 states and 102204 transitions. [2023-12-25 14:25:40,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 14:25:40,648 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 140.42857142857142) internal successors, (983), 8 states have internal predecessors, (983), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 1482 [2023-12-25 14:25:40,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:25:40,684 INFO L225 Difference]: With dead ends: 65699 [2023-12-25 14:25:40,684 INFO L226 Difference]: Without dead ends: 37033 [2023-12-25 14:25:40,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1561 GetRequests, 1541 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2023-12-25 14:25:40,703 INFO L413 NwaCegarLoop]: 2083 mSDtfsCounter, 1946 mSDsluCounter, 10393 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1962 SdHoareTripleChecker+Valid, 12476 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:25:40,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1962 Valid, 12476 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:25:40,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37033 states. [2023-12-25 14:25:42,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37033 to 37033. [2023-12-25 14:25:42,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37033 states, 35567 states have (on average 1.5345404447943318) internal successors, (54579), 35567 states have internal predecessors, (54579), 1464 states have call successors, (1464), 1 states have call predecessors, (1464), 1 states have return successors, (1464), 1464 states have call predecessors, (1464), 1464 states have call successors, (1464) [2023-12-25 14:25:42,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37033 states to 37033 states and 57507 transitions. [2023-12-25 14:25:42,213 INFO L78 Accepts]: Start accepts. Automaton has 37033 states and 57507 transitions. Word has length 1482 [2023-12-25 14:25:42,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:25:42,214 INFO L495 AbstractCegarLoop]: Abstraction has 37033 states and 57507 transitions. [2023-12-25 14:25:42,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 140.42857142857142) internal successors, (983), 8 states have internal predecessors, (983), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-25 14:25:42,214 INFO L276 IsEmpty]: Start isEmpty. Operand 37033 states and 57507 transitions. [2023-12-25 14:25:42,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1485 [2023-12-25 14:25:42,267 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:25:42,268 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:25:42,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-25 14:25:42,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2023-12-25 14:25:42,488 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:25:42,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:25:42,488 INFO L85 PathProgramCache]: Analyzing trace with hash 201033332, now seen corresponding path program 1 times [2023-12-25 14:25:42,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:25:42,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160397816] [2023-12-25 14:25:42,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:25:42,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms Received shutdown request... [2023-12-25 14:26:11,448 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 14:26:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-25 14:26:11,525 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 14:26:11,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-12-25 14:26:11,525 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 1485 with TraceHistMax 32,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1160397816] and IpTcStrategyModuleZ3 [861287540]. [2023-12-25 14:26:11,528 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:26:11,529 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 14:26:11,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 02:26:11 BoogieIcfgContainer [2023-12-25 14:26:11,531 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 14:26:11,531 INFO L158 Benchmark]: Toolchain (without parser) took 828863.36ms. Allocated memory was 215.0MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 162.1MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 3.0GB. Max. memory is 8.0GB. [2023-12-25 14:26:11,531 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 215.0MB. Free memory is still 163.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 14:26:11,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 690.49ms. Allocated memory was 215.0MB in the beginning and 293.6MB in the end (delta: 78.6MB). Free memory was 161.8MB in the beginning and 200.1MB in the end (delta: -38.3MB). Peak memory consumption was 47.4MB. Max. memory is 8.0GB. [2023-12-25 14:26:11,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 613.11ms. Allocated memory is still 293.6MB. Free memory was 200.1MB in the beginning and 153.4MB in the end (delta: 46.7MB). Peak memory consumption was 142.7MB. Max. memory is 8.0GB. [2023-12-25 14:26:11,531 INFO L158 Benchmark]: Boogie Preprocessor took 682.26ms. Allocated memory was 293.6MB in the beginning and 587.2MB in the end (delta: 293.6MB). Free memory was 153.4MB in the beginning and 386.7MB in the end (delta: -233.3MB). Peak memory consumption was 61.3MB. Max. memory is 8.0GB. [2023-12-25 14:26:11,531 INFO L158 Benchmark]: RCFGBuilder took 2995.27ms. Allocated memory was 587.2MB in the beginning and 1.0GB in the end (delta: 437.3MB). Free memory was 386.7MB in the beginning and 826.6MB in the end (delta: -439.9MB). Peak memory consumption was 186.6MB. Max. memory is 8.0GB. [2023-12-25 14:26:11,531 INFO L158 Benchmark]: TraceAbstraction took 823876.36ms. Allocated memory was 1.0GB in the beginning and 3.4GB in the end (delta: 2.4GB). Free memory was 826.1MB in the beginning and 1.3GB in the end (delta: -488.1MB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. [2023-12-25 14:26:11,532 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 215.0MB. Free memory is still 163.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 690.49ms. Allocated memory was 215.0MB in the beginning and 293.6MB in the end (delta: 78.6MB). Free memory was 161.8MB in the beginning and 200.1MB in the end (delta: -38.3MB). Peak memory consumption was 47.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 613.11ms. Allocated memory is still 293.6MB. Free memory was 200.1MB in the beginning and 153.4MB in the end (delta: 46.7MB). Peak memory consumption was 142.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 682.26ms. Allocated memory was 293.6MB in the beginning and 587.2MB in the end (delta: 293.6MB). Free memory was 153.4MB in the beginning and 386.7MB in the end (delta: -233.3MB). Peak memory consumption was 61.3MB. Max. memory is 8.0GB. * RCFGBuilder took 2995.27ms. Allocated memory was 587.2MB in the beginning and 1.0GB in the end (delta: 437.3MB). Free memory was 386.7MB in the beginning and 826.6MB in the end (delta: -439.9MB). Peak memory consumption was 186.6MB. Max. memory is 8.0GB. * TraceAbstraction took 823876.36ms. Allocated memory was 1.0GB in the beginning and 3.4GB in the end (delta: 2.4GB). Free memory was 826.1MB in the beginning and 1.3GB in the end (delta: -488.1MB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was analyzing trace of length 1485 with TraceHistMax 32,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1160397816] and IpTcStrategyModuleZ3 [861287540]. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 1310 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 823.8s, OverallIterations: 81, TraceHistogramMax: 32, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.4s, AutomataDifference: 77.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 293324 SdHoareTripleChecker+Valid, 52.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 292626 mSDsluCounter, 619872 SdHoareTripleChecker+Invalid, 43.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 443813 mSDsCounter, 1055 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94705 IncrementalHoareTripleChecker+Invalid, 95760 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1055 mSolverCounterUnsat, 176059 mSDtfsCounter, 94705 mSolverCounterSat, 1.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11854 GetRequests, 11318 SyntacticMatches, 1 SemanticMatches, 535 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37033occurred in iteration=79, InterpolantAutomatonStates: 484, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 22.0s AutomataMinimizationTime, 80 MinimizatonAttempts, 67449 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 4.2s SsaConstructionTime, 530.1s SatisfiabilityAnalysisTime, 153.7s InterpolantComputationTime, 89536 NumberOfCodeBlocks, 89536 NumberOfCodeBlocksAsserted, 85 NumberOfCheckSat, 89451 ConstructedInterpolants, 0 QuantifiedInterpolants, 402789 SizeOfPredicates, 23 NumberOfNonLiveVariables, 43413 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 85 InterpolantComputations, 80 PerfectInterpolantSequences, 125348/125371 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown