/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_w16_d32_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 18:54:29,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 18:54:29,928 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-16 18:54:29,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 18:54:29,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 18:54:29,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 18:54:29,956 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 18:54:29,956 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 18:54:29,957 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 18:54:29,960 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 18:54:29,960 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 18:54:29,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 18:54:29,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 18:54:29,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 18:54:29,961 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 18:54:29,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 18:54:29,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 18:54:29,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 18:54:29,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 18:54:29,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 18:54:29,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 18:54:29,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 18:54:29,963 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 18:54:29,963 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 18:54:29,963 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 18:54:29,964 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 18:54:29,964 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 18:54:29,964 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 18:54:29,964 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 18:54:29,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:54:29,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 18:54:29,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 18:54:29,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 18:54:29,966 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 18:54:29,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 18:54:29,966 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 18:54:29,966 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 18:54:29,966 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 18:54:29,966 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 18:54:29,967 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 18:54:29,967 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 18:54:30,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 18:54:30,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 18:54:30,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 18:54:30,183 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 18:54:30,183 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 18:54:30,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w16_d32_e0.c [2023-12-16 18:54:31,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 18:54:31,639 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 18:54:31,640 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w16_d32_e0.c [2023-12-16 18:54:31,666 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53614cc81/5280a55af6d04b97870ea0414e061a2a/FLAGa9aef8ec0 [2023-12-16 18:54:31,681 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53614cc81/5280a55af6d04b97870ea0414e061a2a [2023-12-16 18:54:31,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 18:54:31,685 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 18:54:31,687 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 18:54:31,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 18:54:31,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 18:54:31,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:54:31" (1/1) ... [2023-12-16 18:54:31,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245e89ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:31, skipping insertion in model container [2023-12-16 18:54:31,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:54:31" (1/1) ... [2023-12-16 18:54:31,801 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 18:54:31,953 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_w16_d32_e0.c[1325,1338] [2023-12-16 18:54:32,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:54:32,447 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 18:54:32,503 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_w16_d32_e0.c[1325,1338] [2023-12-16 18:54:32,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:54:32,813 INFO L206 MainTranslator]: Completed translation [2023-12-16 18:54:32,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:32 WrapperNode [2023-12-16 18:54:32,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 18:54:32,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 18:54:32,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 18:54:32,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 18:54:32,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:32" (1/1) ... [2023-12-16 18:54:32,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:32" (1/1) ... [2023-12-16 18:54:34,280 INFO L138 Inliner]: procedures = 18, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16090 [2023-12-16 18:54:34,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 18:54:34,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 18:54:34,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 18:54:34,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 18:54:34,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:32" (1/1) ... [2023-12-16 18:54:34,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:32" (1/1) ... [2023-12-16 18:54:34,834 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:32" (1/1) ... [2023-12-16 18:54:35,087 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 18:54:35,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:32" (1/1) ... [2023-12-16 18:54:35,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:32" (1/1) ... [2023-12-16 18:54:35,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:32" (1/1) ... [2023-12-16 18:54:35,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:32" (1/1) ... [2023-12-16 18:54:35,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:32" (1/1) ... [2023-12-16 18:54:35,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:32" (1/1) ... [2023-12-16 18:54:35,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 18:54:35,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 18:54:35,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 18:54:35,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 18:54:35,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:32" (1/1) ... [2023-12-16 18:54:35,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:54:35,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 18:54:35,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 18:54:35,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 18:54:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 18:54:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 18:54:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 18:54:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 18:54:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 18:54:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 18:54:36,757 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 18:54:36,758 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 18:54:42,613 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 18:54:42,872 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 18:54:42,874 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 18:54:42,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:54:42 BoogieIcfgContainer [2023-12-16 18:54:42,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 18:54:42,877 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 18:54:42,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 18:54:42,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 18:54:42,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 06:54:31" (1/3) ... [2023-12-16 18:54:42,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce499e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:54:42, skipping insertion in model container [2023-12-16 18:54:42,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:54:32" (2/3) ... [2023-12-16 18:54:42,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce499e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:54:42, skipping insertion in model container [2023-12-16 18:54:42,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:54:42" (3/3) ... [2023-12-16 18:54:42,882 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n5_w16_d32_e0.c [2023-12-16 18:54:42,896 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 18:54:42,896 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 18:54:42,980 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 18:54:42,985 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;@5e9a315c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 18:54:42,985 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 18:54:42,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 2990 states, 2971 states have (on average 1.6627398182430158) internal successors, (4940), 2972 states have internal predecessors, (4940), 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) [2023-12-16 18:54:43,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1109 [2023-12-16 18:54:43,175 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:43,177 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:54:43,178 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:43,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:43,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1118887481, now seen corresponding path program 1 times [2023-12-16 18:54:43,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:43,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633719060] [2023-12-16 18:54:43,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:43,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-12-16 18:54:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2023-12-16 18:54:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2023-12-16 18:54:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-12-16 18:54:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-12-16 18:54:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2023-12-16 18:54:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2023-12-16 18:54:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2023-12-16 18:54:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2023-12-16 18:54:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2023-12-16 18:54:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2023-12-16 18:54:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-16 18:54:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2023-12-16 18:54:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2023-12-16 18:54:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2023-12-16 18:54:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-16 18:54:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:44,243 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-16 18:54:44,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:44,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633719060] [2023-12-16 18:54:44,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633719060] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:44,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:44,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 18:54:44,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270068055] [2023-12-16 18:54:44,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:44,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 18:54:44,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:44,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 18:54:44,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 18:54:44,282 INFO L87 Difference]: Start difference. First operand has 2990 states, 2971 states have (on average 1.6627398182430158) internal successors, (4940), 2972 states have internal predecessors, (4940), 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 515.5) internal successors, (1031), 2 states have internal predecessors, (1031), 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) [2023-12-16 18:54:44,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:44,407 INFO L93 Difference]: Finished difference Result 5422 states and 9033 transitions. [2023-12-16 18:54:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 18:54:44,416 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 515.5) internal successors, (1031), 2 states have internal predecessors, (1031), 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 1108 [2023-12-16 18:54:44,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:44,453 INFO L225 Difference]: With dead ends: 5422 [2023-12-16 18:54:44,453 INFO L226 Difference]: Without dead ends: 2988 [2023-12-16 18:54:44,463 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 [2023-12-16 18:54:44,467 INFO L413 NwaCegarLoop]: 4966 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, 4966 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 [2023-12-16 18:54:44,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4966 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:54:44,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2023-12-16 18:54:44,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2988. [2023-12-16 18:54:44,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2970 states have (on average 1.6616161616161615) internal successors, (4935), 2970 states have internal predecessors, (4935), 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) [2023-12-16 18:54:44,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4967 transitions. [2023-12-16 18:54:44,595 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4967 transitions. Word has length 1108 [2023-12-16 18:54:44,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:44,601 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 4967 transitions. [2023-12-16 18:54:44,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 515.5) internal successors, (1031), 2 states have internal predecessors, (1031), 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) [2023-12-16 18:54:44,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4967 transitions. [2023-12-16 18:54:44,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1109 [2023-12-16 18:54:44,764 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:44,764 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:54:44,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 18:54:44,765 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:44,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:44,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1870859495, now seen corresponding path program 1 times [2023-12-16 18:54:44,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:44,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434732341] [2023-12-16 18:54:44,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:44,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-12-16 18:54:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2023-12-16 18:54:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2023-12-16 18:54:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-12-16 18:54:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-12-16 18:54:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2023-12-16 18:54:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2023-12-16 18:54:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2023-12-16 18:54:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2023-12-16 18:54:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2023-12-16 18:54:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2023-12-16 18:54:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-16 18:54:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2023-12-16 18:54:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2023-12-16 18:54:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2023-12-16 18:54:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-16 18:54:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:49,163 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-16 18:54:49,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:49,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434732341] [2023-12-16 18:54:49,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434732341] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:49,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:49,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:54:49,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051900620] [2023-12-16 18:54:49,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:49,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 18:54:49,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:49,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 18:54:49,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:54:49,174 INFO L87 Difference]: Start difference. First operand 2988 states and 4967 transitions. Second operand has 4 states, 4 states have (on average 257.75) internal successors, (1031), 4 states have internal predecessors, (1031), 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) [2023-12-16 18:54:49,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:49,766 INFO L93 Difference]: Finished difference Result 5420 states and 9008 transitions. [2023-12-16 18:54:49,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:49,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 257.75) internal successors, (1031), 4 states have internal predecessors, (1031), 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 1108 [2023-12-16 18:54:49,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:49,777 INFO L225 Difference]: With dead ends: 5420 [2023-12-16 18:54:49,777 INFO L226 Difference]: Without dead ends: 2988 [2023-12-16 18:54:49,781 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 [2023-12-16 18:54:49,782 INFO L413 NwaCegarLoop]: 4616 mSDtfsCounter, 4187 mSDsluCounter, 4618 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4187 SdHoareTripleChecker+Valid, 9234 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:54:49,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4187 Valid, 9234 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 18:54:49,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2023-12-16 18:54:49,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2988. [2023-12-16 18:54:49,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2970 states have (on average 1.6612794612794612) internal successors, (4934), 2970 states have internal predecessors, (4934), 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) [2023-12-16 18:54:49,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4966 transitions. [2023-12-16 18:54:49,835 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4966 transitions. Word has length 1108 [2023-12-16 18:54:49,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:49,838 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 4966 transitions. [2023-12-16 18:54:49,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 257.75) internal successors, (1031), 4 states have internal predecessors, (1031), 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) [2023-12-16 18:54:49,839 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4966 transitions. [2023-12-16 18:54:49,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1110 [2023-12-16 18:54:49,849 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:49,850 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:54:49,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 18:54:49,850 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:49,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:49,851 INFO L85 PathProgramCache]: Analyzing trace with hash 495209877, now seen corresponding path program 1 times [2023-12-16 18:54:49,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:49,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677572061] [2023-12-16 18:54:49,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:49,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-12-16 18:54:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2023-12-16 18:54:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2023-12-16 18:54:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-12-16 18:54:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-12-16 18:54:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2023-12-16 18:54:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2023-12-16 18:54:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2023-12-16 18:54:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2023-12-16 18:54:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2023-12-16 18:54:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2023-12-16 18:54:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-16 18:54:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2023-12-16 18:54:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2023-12-16 18:54:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2023-12-16 18:54:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-16 18:54:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:52,254 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-16 18:54:52,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:52,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677572061] [2023-12-16 18:54:52,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677572061] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:52,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:52,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:52,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018071500] [2023-12-16 18:54:52,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:52,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:52,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:52,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:52,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:52,257 INFO L87 Difference]: Start difference. First operand 2988 states and 4966 transitions. Second operand has 5 states, 5 states have (on average 206.4) internal successors, (1032), 5 states have internal predecessors, (1032), 1 states have call successors, (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) [2023-12-16 18:54:52,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:52,737 INFO L93 Difference]: Finished difference Result 5688 states and 9445 transitions. [2023-12-16 18:54:52,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 18:54:52,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 206.4) internal successors, (1032), 5 states have internal predecessors, (1032), 1 states have call successors, (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 1109 [2023-12-16 18:54:52,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:52,746 INFO L225 Difference]: With dead ends: 5688 [2023-12-16 18:54:52,747 INFO L226 Difference]: Without dead ends: 2988 [2023-12-16 18:54:52,750 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 [2023-12-16 18:54:52,750 INFO L413 NwaCegarLoop]: 4932 mSDtfsCounter, 5027 mSDsluCounter, 9566 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5027 SdHoareTripleChecker+Valid, 14498 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 18:54:52,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5027 Valid, 14498 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 18:54:52,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2023-12-16 18:54:52,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2988. [2023-12-16 18:54:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2970 states have (on average 1.660942760942761) internal successors, (4933), 2970 states have internal predecessors, (4933), 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) [2023-12-16 18:54:52,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4965 transitions. [2023-12-16 18:54:52,825 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4965 transitions. Word has length 1109 [2023-12-16 18:54:52,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:52,827 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 4965 transitions. [2023-12-16 18:54:52,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 206.4) internal successors, (1032), 5 states have internal predecessors, (1032), 1 states have call successors, (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) [2023-12-16 18:54:52,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4965 transitions. [2023-12-16 18:54:52,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1111 [2023-12-16 18:54:52,838 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:52,839 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:54:52,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 18:54:52,839 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:52,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:52,840 INFO L85 PathProgramCache]: Analyzing trace with hash 278787161, now seen corresponding path program 1 times [2023-12-16 18:54:52,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:52,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620658767] [2023-12-16 18:54:52,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:52,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-12-16 18:54:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2023-12-16 18:54:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2023-12-16 18:54:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-12-16 18:54:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-12-16 18:54:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2023-12-16 18:54:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2023-12-16 18:54:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2023-12-16 18:54:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2023-12-16 18:54:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2023-12-16 18:54:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2023-12-16 18:54:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-16 18:54:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2023-12-16 18:54:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2023-12-16 18:54:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2023-12-16 18:54:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-16 18:54:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:54,984 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-16 18:54:54,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:54,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620658767] [2023-12-16 18:54:54,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620658767] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:54,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:54,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:54,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138213321] [2023-12-16 18:54:54,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:54,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:54,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:54,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:54,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:54,987 INFO L87 Difference]: Start difference. First operand 2988 states and 4965 transitions. Second operand has 5 states, 5 states have (on average 206.6) internal successors, (1033), 5 states have internal predecessors, (1033), 1 states have call successors, (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) [2023-12-16 18:54:55,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:55,545 INFO L93 Difference]: Finished difference Result 5420 states and 9004 transitions. [2023-12-16 18:54:55,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:55,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 206.6) internal successors, (1033), 5 states have internal predecessors, (1033), 1 states have call successors, (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 1110 [2023-12-16 18:54:55,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:55,559 INFO L225 Difference]: With dead ends: 5420 [2023-12-16 18:54:55,560 INFO L226 Difference]: Without dead ends: 2988 [2023-12-16 18:54:55,566 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 [2023-12-16 18:54:55,571 INFO L413 NwaCegarLoop]: 4616 mSDtfsCounter, 9300 mSDsluCounter, 4618 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9316 SdHoareTripleChecker+Valid, 9234 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:54:55,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9316 Valid, 9234 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 18:54:55,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2023-12-16 18:54:55,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2988. [2023-12-16 18:54:55,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2970 states have (on average 1.6606060606060606) internal successors, (4932), 2970 states have internal predecessors, (4932), 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) [2023-12-16 18:54:55,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4964 transitions. [2023-12-16 18:54:55,631 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4964 transitions. Word has length 1110 [2023-12-16 18:54:55,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:55,631 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 4964 transitions. [2023-12-16 18:54:55,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 206.6) internal successors, (1033), 5 states have internal predecessors, (1033), 1 states have call successors, (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) [2023-12-16 18:54:55,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4964 transitions. [2023-12-16 18:54:55,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1112 [2023-12-16 18:54:55,642 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:55,643 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:54:55,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 18:54:55,644 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:55,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:55,644 INFO L85 PathProgramCache]: Analyzing trace with hash 366150265, now seen corresponding path program 1 times [2023-12-16 18:54:55,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:55,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713056037] [2023-12-16 18:54:55,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:55,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:57,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-12-16 18:54:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:57,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2023-12-16 18:54:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:57,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2023-12-16 18:54:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:57,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-12-16 18:54:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:57,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-12-16 18:54:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:57,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2023-12-16 18:54:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:57,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2023-12-16 18:54:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:57,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2023-12-16 18:54:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:57,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2023-12-16 18:54:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:57,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2023-12-16 18:54:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:57,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2023-12-16 18:54:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:57,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-16 18:54:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:57,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2023-12-16 18:54:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:57,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2023-12-16 18:54:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:57,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2023-12-16 18:54:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:57,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-16 18:54:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:57,503 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-16 18:54:57,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:57,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713056037] [2023-12-16 18:54:57,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713056037] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:57,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:57,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:57,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446063813] [2023-12-16 18:54:57,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:57,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:57,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:57,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:57,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:57,506 INFO L87 Difference]: Start difference. First operand 2988 states and 4964 transitions. Second operand has 5 states, 5 states have (on average 206.8) internal successors, (1034), 5 states have internal predecessors, (1034), 1 states have call successors, (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) [2023-12-16 18:54:58,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:58,109 INFO L93 Difference]: Finished difference Result 5420 states and 9002 transitions. [2023-12-16 18:54:58,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:58,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 206.8) internal successors, (1034), 5 states have internal predecessors, (1034), 1 states have call successors, (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 1111 [2023-12-16 18:54:58,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:58,118 INFO L225 Difference]: With dead ends: 5420 [2023-12-16 18:54:58,119 INFO L226 Difference]: Without dead ends: 2988 [2023-12-16 18:54:58,122 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 [2023-12-16 18:54:58,123 INFO L413 NwaCegarLoop]: 4616 mSDtfsCounter, 4925 mSDsluCounter, 4637 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4941 SdHoareTripleChecker+Valid, 9253 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:54:58,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4941 Valid, 9253 Invalid, 708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 18:54:58,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2023-12-16 18:54:58,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2988. [2023-12-16 18:54:58,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2970 states have (on average 1.6602693602693603) internal successors, (4931), 2970 states have internal predecessors, (4931), 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) [2023-12-16 18:54:58,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4963 transitions. [2023-12-16 18:54:58,164 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4963 transitions. Word has length 1111 [2023-12-16 18:54:58,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:58,165 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 4963 transitions. [2023-12-16 18:54:58,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 206.8) internal successors, (1034), 5 states have internal predecessors, (1034), 1 states have call successors, (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) [2023-12-16 18:54:58,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4963 transitions. [2023-12-16 18:54:58,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1113 [2023-12-16 18:54:58,175 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:58,175 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:54:58,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 18:54:58,176 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:58,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:58,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1665327041, now seen corresponding path program 1 times [2023-12-16 18:54:58,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:58,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540876906] [2023-12-16 18:54:58,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:58,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:00,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-12-16 18:55:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:00,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2023-12-16 18:55:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:00,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2023-12-16 18:55:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:00,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-12-16 18:55:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:00,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-12-16 18:55:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:00,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2023-12-16 18:55:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:00,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2023-12-16 18:55:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2023-12-16 18:55:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:00,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2023-12-16 18:55:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:00,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2023-12-16 18:55:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2023-12-16 18:55:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:00,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-16 18:55:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:00,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2023-12-16 18:55:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:00,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2023-12-16 18:55:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:00,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2023-12-16 18:55:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:00,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-16 18:55:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:00,123 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-16 18:55:00,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:55:00,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540876906] [2023-12-16 18:55:00,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540876906] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:55:00,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:55:00,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:55:00,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191178758] [2023-12-16 18:55:00,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:55:00,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:55:00,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:55:00,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:55:00,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:55:00,127 INFO L87 Difference]: Start difference. First operand 2988 states and 4963 transitions. Second operand has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 1 states have call successors, (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) [2023-12-16 18:55:00,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:55:00,708 INFO L93 Difference]: Finished difference Result 5420 states and 9000 transitions. [2023-12-16 18:55:00,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:55:00,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 1 states have call successors, (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 1112 [2023-12-16 18:55:00,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:55:00,718 INFO L225 Difference]: With dead ends: 5420 [2023-12-16 18:55:00,719 INFO L226 Difference]: Without dead ends: 2988 [2023-12-16 18:55:00,723 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 [2023-12-16 18:55:00,723 INFO L413 NwaCegarLoop]: 4616 mSDtfsCounter, 9284 mSDsluCounter, 4618 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9300 SdHoareTripleChecker+Valid, 9234 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:55:00,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9300 Valid, 9234 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 18:55:00,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2023-12-16 18:55:00,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2988. [2023-12-16 18:55:00,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2970 states have (on average 1.65993265993266) internal successors, (4930), 2970 states have internal predecessors, (4930), 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) [2023-12-16 18:55:00,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4962 transitions. [2023-12-16 18:55:00,773 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4962 transitions. Word has length 1112 [2023-12-16 18:55:00,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:55:00,774 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 4962 transitions. [2023-12-16 18:55:00,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 1 states have call successors, (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) [2023-12-16 18:55:00,775 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4962 transitions. [2023-12-16 18:55:00,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1114 [2023-12-16 18:55:00,791 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:55:00,792 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:55:00,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 18:55:00,792 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:55:00,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:55:00,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1468472161, now seen corresponding path program 1 times [2023-12-16 18:55:00,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:55:00,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674906678] [2023-12-16 18:55:00,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:55:00,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:55:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:02,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-12-16 18:55:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:02,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2023-12-16 18:55:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:02,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2023-12-16 18:55:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-12-16 18:55:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:02,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-12-16 18:55:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:02,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2023-12-16 18:55:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:02,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2023-12-16 18:55:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:02,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2023-12-16 18:55:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:02,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2023-12-16 18:55:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:02,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2023-12-16 18:55:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:02,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2023-12-16 18:55:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:02,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-16 18:55:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:02,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2023-12-16 18:55:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:02,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2023-12-16 18:55:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:02,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2023-12-16 18:55:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:02,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-16 18:55:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:02,524 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-16 18:55:02,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:55:02,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674906678] [2023-12-16 18:55:02,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674906678] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:55:02,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:55:02,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:55:02,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789658819] [2023-12-16 18:55:02,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:55:02,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:55:02,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:55:02,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:55:02,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:55:02,527 INFO L87 Difference]: Start difference. First operand 2988 states and 4962 transitions. Second operand has 5 states, 5 states have (on average 207.2) internal successors, (1036), 5 states have internal predecessors, (1036), 1 states have call successors, (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) [2023-12-16 18:55:03,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:55:03,062 INFO L93 Difference]: Finished difference Result 5420 states and 8998 transitions. [2023-12-16 18:55:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:55:03,063 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 207.2) internal successors, (1036), 5 states have internal predecessors, (1036), 1 states have call successors, (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 1113 [2023-12-16 18:55:03,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:55:03,071 INFO L225 Difference]: With dead ends: 5420 [2023-12-16 18:55:03,072 INFO L226 Difference]: Without dead ends: 2988 [2023-12-16 18:55:03,075 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 [2023-12-16 18:55:03,075 INFO L413 NwaCegarLoop]: 4616 mSDtfsCounter, 9276 mSDsluCounter, 4618 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9292 SdHoareTripleChecker+Valid, 9234 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:55:03,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9292 Valid, 9234 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 18:55:03,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2023-12-16 18:55:03,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2988. [2023-12-16 18:55:03,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2970 states have (on average 1.6595959595959595) internal successors, (4929), 2970 states have internal predecessors, (4929), 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) [2023-12-16 18:55:03,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4961 transitions. [2023-12-16 18:55:03,117 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4961 transitions. Word has length 1113 [2023-12-16 18:55:03,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:55:03,118 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 4961 transitions. [2023-12-16 18:55:03,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 207.2) internal successors, (1036), 5 states have internal predecessors, (1036), 1 states have call successors, (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) [2023-12-16 18:55:03,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4961 transitions. [2023-12-16 18:55:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1115 [2023-12-16 18:55:03,128 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:55:03,129 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:55:03,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 18:55:03,129 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:55:03,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:55:03,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1611971801, now seen corresponding path program 1 times [2023-12-16 18:55:03,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:55:03,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547944676] [2023-12-16 18:55:03,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:55:03,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:55:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:04,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-12-16 18:55:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:04,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2023-12-16 18:55:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:04,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2023-12-16 18:55:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:04,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-12-16 18:55:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:04,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-12-16 18:55:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:04,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2023-12-16 18:55:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:04,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2023-12-16 18:55:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:04,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2023-12-16 18:55:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:04,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2023-12-16 18:55:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:04,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2023-12-16 18:55:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:04,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2023-12-16 18:55:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:04,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-16 18:55:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:04,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2023-12-16 18:55:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:04,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2023-12-16 18:55:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:04,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2023-12-16 18:55:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:04,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-16 18:55:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:04,651 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-16 18:55:04,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:55:04,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547944676] [2023-12-16 18:55:04,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547944676] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:55:04,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:55:04,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:55:04,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672532603] [2023-12-16 18:55:04,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:55:04,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:55:04,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:55:04,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:55:04,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:55:04,654 INFO L87 Difference]: Start difference. First operand 2988 states and 4961 transitions. Second operand has 5 states, 5 states have (on average 207.4) internal successors, (1037), 5 states have internal predecessors, (1037), 1 states have call successors, (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) [2023-12-16 18:55:05,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:55:05,198 INFO L93 Difference]: Finished difference Result 5420 states and 8996 transitions. [2023-12-16 18:55:05,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:55:05,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 207.4) internal successors, (1037), 5 states have internal predecessors, (1037), 1 states have call successors, (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 1114 [2023-12-16 18:55:05,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:55:05,209 INFO L225 Difference]: With dead ends: 5420 [2023-12-16 18:55:05,209 INFO L226 Difference]: Without dead ends: 2988 [2023-12-16 18:55:05,212 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 [2023-12-16 18:55:05,213 INFO L413 NwaCegarLoop]: 4616 mSDtfsCounter, 9268 mSDsluCounter, 4618 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9284 SdHoareTripleChecker+Valid, 9234 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:55:05,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9284 Valid, 9234 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 18:55:05,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2023-12-16 18:55:05,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2988. [2023-12-16 18:55:05,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2970 states have (on average 1.6592592592592592) internal successors, (4928), 2970 states have internal predecessors, (4928), 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) [2023-12-16 18:55:05,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4960 transitions. [2023-12-16 18:55:05,252 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4960 transitions. Word has length 1114 [2023-12-16 18:55:05,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:55:05,252 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 4960 transitions. [2023-12-16 18:55:05,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 207.4) internal successors, (1037), 5 states have internal predecessors, (1037), 1 states have call successors, (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) [2023-12-16 18:55:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4960 transitions. [2023-12-16 18:55:05,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1116 [2023-12-16 18:55:05,263 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:55:05,263 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:55:05,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 18:55:05,263 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:55:05,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:55:05,264 INFO L85 PathProgramCache]: Analyzing trace with hash -945605117, now seen corresponding path program 1 times [2023-12-16 18:55:05,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:55:05,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617323566] [2023-12-16 18:55:05,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:55:05,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:55:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-12-16 18:55:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:07,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2023-12-16 18:55:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:07,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2023-12-16 18:55:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:07,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-12-16 18:55:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:07,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-12-16 18:55:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:07,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2023-12-16 18:55:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:07,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2023-12-16 18:55:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:07,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2023-12-16 18:55:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:07,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2023-12-16 18:55:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:07,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2023-12-16 18:55:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:07,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2023-12-16 18:55:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:07,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-16 18:55:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:07,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2023-12-16 18:55:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:07,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2023-12-16 18:55:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:07,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2023-12-16 18:55:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:07,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-16 18:55:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-16 18:55:07,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:55:07,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617323566] [2023-12-16 18:55:07,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617323566] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:55:07,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:55:07,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:55:07,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077054774] [2023-12-16 18:55:07,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:55:07,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:55:07,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:55:07,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:55:07,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:55:07,130 INFO L87 Difference]: Start difference. First operand 2988 states and 4960 transitions. Second operand has 5 states, 5 states have (on average 207.6) internal successors, (1038), 5 states have internal predecessors, (1038), 1 states have call successors, (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) [2023-12-16 18:55:07,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:55:07,810 INFO L93 Difference]: Finished difference Result 5420 states and 8994 transitions. [2023-12-16 18:55:07,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:55:07,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 207.6) internal successors, (1038), 5 states have internal predecessors, (1038), 1 states have call successors, (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 1115 [2023-12-16 18:55:07,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:55:07,816 INFO L225 Difference]: With dead ends: 5420 [2023-12-16 18:55:07,816 INFO L226 Difference]: Without dead ends: 2988 [2023-12-16 18:55:07,819 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 [2023-12-16 18:55:07,819 INFO L413 NwaCegarLoop]: 4616 mSDtfsCounter, 4909 mSDsluCounter, 4637 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4925 SdHoareTripleChecker+Valid, 9253 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 18:55:07,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4925 Valid, 9253 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 699 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 18:55:07,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2023-12-16 18:55:07,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2988. [2023-12-16 18:55:07,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2970 states have (on average 1.658922558922559) internal successors, (4927), 2970 states have internal predecessors, (4927), 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) [2023-12-16 18:55:07,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4959 transitions. [2023-12-16 18:55:07,858 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4959 transitions. Word has length 1115 [2023-12-16 18:55:07,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:55:07,859 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 4959 transitions. [2023-12-16 18:55:07,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 207.6) internal successors, (1038), 5 states have internal predecessors, (1038), 1 states have call successors, (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) [2023-12-16 18:55:07,859 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4959 transitions. [2023-12-16 18:55:07,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1117 [2023-12-16 18:55:07,869 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:55:07,869 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:55:07,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 18:55:07,870 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:55:07,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:55:07,870 INFO L85 PathProgramCache]: Analyzing trace with hash -437760883, now seen corresponding path program 1 times [2023-12-16 18:55:07,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:55:07,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154461253] [2023-12-16 18:55:07,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:55:07,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:55:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:09,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-12-16 18:55:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:09,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2023-12-16 18:55:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:09,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2023-12-16 18:55:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:09,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-12-16 18:55:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:09,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-12-16 18:55:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:09,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2023-12-16 18:55:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:09,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2023-12-16 18:55:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:09,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2023-12-16 18:55:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:09,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2023-12-16 18:55:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:09,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2023-12-16 18:55:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:09,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2023-12-16 18:55:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:09,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-16 18:55:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:09,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2023-12-16 18:55:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:09,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2023-12-16 18:55:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:09,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2023-12-16 18:55:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:09,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-16 18:55:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:09,399 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-16 18:55:09,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:55:09,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154461253] [2023-12-16 18:55:09,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154461253] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:55:09,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:55:09,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:55:09,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456231031] [2023-12-16 18:55:09,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:55:09,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:55:09,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:55:09,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:55:09,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:55:09,401 INFO L87 Difference]: Start difference. First operand 2988 states and 4959 transitions. Second operand has 5 states, 5 states have (on average 207.8) internal successors, (1039), 5 states have internal predecessors, (1039), 1 states have call successors, (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) [2023-12-16 18:55:09,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:55:09,955 INFO L93 Difference]: Finished difference Result 5420 states and 8992 transitions. [2023-12-16 18:55:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:55:09,956 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 207.8) internal successors, (1039), 5 states have internal predecessors, (1039), 1 states have call successors, (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 1116 [2023-12-16 18:55:09,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:55:09,961 INFO L225 Difference]: With dead ends: 5420 [2023-12-16 18:55:09,961 INFO L226 Difference]: Without dead ends: 2988 [2023-12-16 18:55:09,964 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 [2023-12-16 18:55:09,965 INFO L413 NwaCegarLoop]: 4616 mSDtfsCounter, 4905 mSDsluCounter, 4637 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4921 SdHoareTripleChecker+Valid, 9253 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:55:09,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4921 Valid, 9253 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 18:55:09,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2023-12-16 18:55:09,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2988. [2023-12-16 18:55:10,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2970 states have (on average 1.6585858585858586) internal successors, (4926), 2970 states have internal predecessors, (4926), 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) [2023-12-16 18:55:10,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4958 transitions. [2023-12-16 18:55:10,006 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4958 transitions. Word has length 1116 [2023-12-16 18:55:10,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:55:10,008 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 4958 transitions. [2023-12-16 18:55:10,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 207.8) internal successors, (1039), 5 states have internal predecessors, (1039), 1 states have call successors, (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) [2023-12-16 18:55:10,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4958 transitions. [2023-12-16 18:55:10,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2023-12-16 18:55:10,018 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:55:10,018 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:55:10,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-16 18:55:10,018 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:55:10,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:55:10,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1966934359, now seen corresponding path program 1 times [2023-12-16 18:55:10,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:55:10,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226902829] [2023-12-16 18:55:10,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:55:10,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:55:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:11,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-12-16 18:55:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:11,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2023-12-16 18:55:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:11,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2023-12-16 18:55:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:11,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-12-16 18:55:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:11,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-12-16 18:55:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:11,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2023-12-16 18:55:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:11,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2023-12-16 18:55:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:11,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2023-12-16 18:55:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:11,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2023-12-16 18:55:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:11,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2023-12-16 18:55:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:11,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2023-12-16 18:55:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:11,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-16 18:55:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:11,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2023-12-16 18:55:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:11,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2023-12-16 18:55:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:11,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2023-12-16 18:55:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:11,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-16 18:55:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:11,712 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-16 18:55:11,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:55:11,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226902829] [2023-12-16 18:55:11,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226902829] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:55:11,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:55:11,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:55:11,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256998771] [2023-12-16 18:55:11,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:55:11,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:55:11,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:55:11,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:55:11,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:55:11,715 INFO L87 Difference]: Start difference. First operand 2988 states and 4958 transitions. Second operand has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 1 states have call successors, (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) [2023-12-16 18:55:12,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:55:12,273 INFO L93 Difference]: Finished difference Result 5420 states and 8990 transitions. [2023-12-16 18:55:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:55:12,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 1 states have call successors, (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 1117 [2023-12-16 18:55:12,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:55:12,280 INFO L225 Difference]: With dead ends: 5420 [2023-12-16 18:55:12,280 INFO L226 Difference]: Without dead ends: 2988 [2023-12-16 18:55:12,284 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 [2023-12-16 18:55:12,285 INFO L413 NwaCegarLoop]: 4616 mSDtfsCounter, 4823 mSDsluCounter, 4637 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4839 SdHoareTripleChecker+Valid, 9253 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:55:12,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4839 Valid, 9253 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 18:55:12,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2023-12-16 18:55:12,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2988. [2023-12-16 18:55:12,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2970 states have (on average 1.6582491582491583) internal successors, (4925), 2970 states have internal predecessors, (4925), 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) [2023-12-16 18:55:12,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4957 transitions. [2023-12-16 18:55:12,331 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4957 transitions. Word has length 1117 [2023-12-16 18:55:12,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:55:12,332 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 4957 transitions. [2023-12-16 18:55:12,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 1 states have call successors, (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) [2023-12-16 18:55:12,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4957 transitions. [2023-12-16 18:55:12,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1119 [2023-12-16 18:55:12,342 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:55:12,342 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:55:12,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 18:55:12,343 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:55:12,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:55:12,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1176356349, now seen corresponding path program 1 times [2023-12-16 18:55:12,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:55:12,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784589955] [2023-12-16 18:55:12,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:55:12,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:55:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:13,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-12-16 18:55:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:13,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2023-12-16 18:55:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:13,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2023-12-16 18:55:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:13,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-12-16 18:55:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:13,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-12-16 18:55:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:13,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2023-12-16 18:55:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:13,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2023-12-16 18:55:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:13,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2023-12-16 18:55:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:13,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2023-12-16 18:55:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:13,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2023-12-16 18:55:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:13,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2023-12-16 18:55:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:13,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-16 18:55:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:13,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2023-12-16 18:55:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:13,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2023-12-16 18:55:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:13,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2023-12-16 18:55:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:13,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-16 18:55:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:13,942 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-16 18:55:13,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:55:13,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784589955] [2023-12-16 18:55:13,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784589955] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:55:13,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:55:13,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:55:13,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323340340] [2023-12-16 18:55:13,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:55:13,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:55:13,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:55:13,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:55:13,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:55:13,945 INFO L87 Difference]: Start difference. First operand 2988 states and 4957 transitions. Second operand has 5 states, 5 states have (on average 208.2) internal successors, (1041), 5 states have internal predecessors, (1041), 1 states have call successors, (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) [2023-12-16 18:55:14,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:55:14,457 INFO L93 Difference]: Finished difference Result 5420 states and 8988 transitions. [2023-12-16 18:55:14,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:55:14,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 208.2) internal successors, (1041), 5 states have internal predecessors, (1041), 1 states have call successors, (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 1118 [2023-12-16 18:55:14,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:55:14,462 INFO L225 Difference]: With dead ends: 5420 [2023-12-16 18:55:14,462 INFO L226 Difference]: Without dead ends: 2988 [2023-12-16 18:55:14,464 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 [2023-12-16 18:55:14,465 INFO L413 NwaCegarLoop]: 4616 mSDtfsCounter, 4819 mSDsluCounter, 4637 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4835 SdHoareTripleChecker+Valid, 9253 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:55:14,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4835 Valid, 9253 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 18:55:14,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2023-12-16 18:55:14,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2988. [2023-12-16 18:55:14,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2970 states have (on average 1.657912457912458) internal successors, (4924), 2970 states have internal predecessors, (4924), 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) [2023-12-16 18:55:14,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4956 transitions. [2023-12-16 18:55:14,500 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4956 transitions. Word has length 1118 [2023-12-16 18:55:14,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:55:14,501 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 4956 transitions. [2023-12-16 18:55:14,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 208.2) internal successors, (1041), 5 states have internal predecessors, (1041), 1 states have call successors, (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) [2023-12-16 18:55:14,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4956 transitions. [2023-12-16 18:55:14,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1120 [2023-12-16 18:55:14,511 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:55:14,512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:55:14,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 18:55:14,512 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:55:14,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:55:14,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1392381935, now seen corresponding path program 1 times [2023-12-16 18:55:14,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:55:14,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496707297] [2023-12-16 18:55:14,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:55:14,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:55:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:16,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-12-16 18:55:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:16,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2023-12-16 18:55:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:16,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2023-12-16 18:55:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:16,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-12-16 18:55:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:16,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-12-16 18:55:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:16,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2023-12-16 18:55:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:16,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2023-12-16 18:55:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:16,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2023-12-16 18:55:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:16,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2023-12-16 18:55:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:16,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2023-12-16 18:55:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2023-12-16 18:55:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:16,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-16 18:55:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:16,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2023-12-16 18:55:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:16,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2023-12-16 18:55:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:16,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2023-12-16 18:55:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:16,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-16 18:55:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:16,424 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-16 18:55:16,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:55:16,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496707297] [2023-12-16 18:55:16,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496707297] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:55:16,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:55:16,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:55:16,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014611496] [2023-12-16 18:55:16,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:55:16,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:55:16,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:55:16,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:55:16,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:55:16,427 INFO L87 Difference]: Start difference. First operand 2988 states and 4956 transitions. Second operand has 5 states, 5 states have (on average 208.4) internal successors, (1042), 5 states have internal predecessors, (1042), 1 states have call successors, (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) [2023-12-16 18:55:16,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:55:16,940 INFO L93 Difference]: Finished difference Result 5420 states and 8986 transitions. [2023-12-16 18:55:16,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:55:16,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 208.4) internal successors, (1042), 5 states have internal predecessors, (1042), 1 states have call successors, (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 1119 [2023-12-16 18:55:16,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:55:16,944 INFO L225 Difference]: With dead ends: 5420 [2023-12-16 18:55:16,945 INFO L226 Difference]: Without dead ends: 2988 [2023-12-16 18:55:16,947 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 [2023-12-16 18:55:16,948 INFO L413 NwaCegarLoop]: 4616 mSDtfsCounter, 4815 mSDsluCounter, 4637 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4831 SdHoareTripleChecker+Valid, 9253 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:55:16,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4831 Valid, 9253 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 18:55:16,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2023-12-16 18:55:16,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2988. [2023-12-16 18:55:16,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2970 states have (on average 1.6575757575757575) internal successors, (4923), 2970 states have internal predecessors, (4923), 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) [2023-12-16 18:55:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4955 transitions. [2023-12-16 18:55:16,982 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4955 transitions. Word has length 1119 [2023-12-16 18:55:16,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:55:16,982 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 4955 transitions. [2023-12-16 18:55:16,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 208.4) internal successors, (1042), 5 states have internal predecessors, (1042), 1 states have call successors, (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) [2023-12-16 18:55:16,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4955 transitions. [2023-12-16 18:55:16,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1121 [2023-12-16 18:55:16,993 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:55:16,993 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:55:16,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 18:55:16,994 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:55:16,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:55:16,994 INFO L85 PathProgramCache]: Analyzing trace with hash -809724703, now seen corresponding path program 1 times [2023-12-16 18:55:16,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:55:16,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468251457] [2023-12-16 18:55:16,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:55:16,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:55:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:18,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-12-16 18:55:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:18,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2023-12-16 18:55:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:18,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2023-12-16 18:55:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:18,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-12-16 18:55:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:18,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-12-16 18:55:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:18,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2023-12-16 18:55:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:18,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2023-12-16 18:55:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:18,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2023-12-16 18:55:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:18,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2023-12-16 18:55:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:18,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2023-12-16 18:55:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:18,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2023-12-16 18:55:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:18,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-16 18:55:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:18,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2023-12-16 18:55:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:18,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2023-12-16 18:55:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:18,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2023-12-16 18:55:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:18,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-16 18:55:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:18,547 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-16 18:55:18,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:55:18,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468251457] [2023-12-16 18:55:18,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468251457] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:55:18,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:55:18,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:55:18,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403416676] [2023-12-16 18:55:18,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:55:18,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:55:18,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:55:18,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:55:18,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:55:18,550 INFO L87 Difference]: Start difference. First operand 2988 states and 4955 transitions. Second operand has 5 states, 5 states have (on average 208.6) internal successors, (1043), 5 states have internal predecessors, (1043), 1 states have call successors, (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) [2023-12-16 18:55:19,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:55:19,059 INFO L93 Difference]: Finished difference Result 5420 states and 8984 transitions. [2023-12-16 18:55:19,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:55:19,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 208.6) internal successors, (1043), 5 states have internal predecessors, (1043), 1 states have call successors, (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 1120 [2023-12-16 18:55:19,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:55:19,065 INFO L225 Difference]: With dead ends: 5420 [2023-12-16 18:55:19,065 INFO L226 Difference]: Without dead ends: 2988 [2023-12-16 18:55:19,072 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 [2023-12-16 18:55:19,073 INFO L413 NwaCegarLoop]: 4616 mSDtfsCounter, 4811 mSDsluCounter, 4637 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4827 SdHoareTripleChecker+Valid, 9253 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:55:19,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4827 Valid, 9253 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 18:55:19,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2023-12-16 18:55:19,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2988. [2023-12-16 18:55:19,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2970 states have (on average 1.6572390572390572) internal successors, (4922), 2970 states have internal predecessors, (4922), 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) [2023-12-16 18:55:19,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4954 transitions. [2023-12-16 18:55:19,111 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4954 transitions. Word has length 1120 [2023-12-16 18:55:19,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:55:19,112 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 4954 transitions. [2023-12-16 18:55:19,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 208.6) internal successors, (1043), 5 states have internal predecessors, (1043), 1 states have call successors, (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) [2023-12-16 18:55:19,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4954 transitions. [2023-12-16 18:55:19,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1122 [2023-12-16 18:55:19,124 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:55:19,124 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:55:19,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 18:55:19,124 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:55:19,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:55:19,125 INFO L85 PathProgramCache]: Analyzing trace with hash -290506249, now seen corresponding path program 1 times [2023-12-16 18:55:19,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:55:19,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503168316] [2023-12-16 18:55:19,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:55:19,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:55:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:20,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-12-16 18:55:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:20,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2023-12-16 18:55:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:20,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2023-12-16 18:55:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:20,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-12-16 18:55:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:20,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-12-16 18:55:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:20,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2023-12-16 18:55:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:20,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2023-12-16 18:55:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:20,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2023-12-16 18:55:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:20,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2023-12-16 18:55:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:20,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2023-12-16 18:55:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:20,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2023-12-16 18:55:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:20,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2023-12-16 18:55:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:20,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2023-12-16 18:55:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:20,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2023-12-16 18:55:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:20,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2023-12-16 18:55:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:20,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2023-12-16 18:55:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:55:20,735 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-16 18:55:20,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:55:20,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503168316] [2023-12-16 18:55:20,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503168316] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:55:20,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:55:20,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:55:20,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727313380] [2023-12-16 18:55:20,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:55:20,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:55:20,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:55:20,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:55:20,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:55:20,738 INFO L87 Difference]: Start difference. First operand 2988 states and 4954 transitions. Second operand has 5 states, 5 states have (on average 208.8) internal successors, (1044), 5 states have internal predecessors, (1044), 1 states have call successors, (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) [2023-12-16 18:55:21,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:55:21,216 INFO L93 Difference]: Finished difference Result 5420 states and 8982 transitions. [2023-12-16 18:55:21,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:55:21,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 208.8) internal successors, (1044), 5 states have internal predecessors, (1044), 1 states have call successors, (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 1121 [2023-12-16 18:55:21,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:55:21,222 INFO L225 Difference]: With dead ends: 5420 [2023-12-16 18:55:21,222 INFO L226 Difference]: Without dead ends: 2988 [2023-12-16 18:55:21,226 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 [2023-12-16 18:55:21,227 INFO L413 NwaCegarLoop]: 4616 mSDtfsCounter, 4807 mSDsluCounter, 4637 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4823 SdHoareTripleChecker+Valid, 9253 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 18:55:21,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4823 Valid, 9253 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 18:55:21,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2023-12-16 18:55:21,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2988. [2023-12-16 18:55:21,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2970 states have (on average 1.6569023569023569) internal successors, (4921), 2970 states have internal predecessors, (4921), 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) [2023-12-16 18:55:21,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4953 transitions. [2023-12-16 18:55:21,266 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4953 transitions. Word has length 1121 [2023-12-16 18:55:21,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:55:21,267 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 4953 transitions. [2023-12-16 18:55:21,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 208.8) internal successors, (1044), 5 states have internal predecessors, (1044), 1 states have call successors, (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) [2023-12-16 18:55:21,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4953 transitions. [2023-12-16 18:55:21,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1123 [2023-12-16 18:55:21,279 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:55:21,279 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:55:21,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-16 18:55:21,279 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:55:21,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:55:21,280 INFO L85 PathProgramCache]: Analyzing trace with hash -159340281, now seen corresponding path program 1 times [2023-12-16 18:55:21,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:55:21,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43601535] [2023-12-16 18:55:21,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:55:21,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms Received shutdown request... [2023-12-16 18:55:21,390 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 18:55:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-16 18:55:21,425 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 18:55:21,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-16 18:55:21,426 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 1123 with TraceHistMax 16,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [43601535] and IpTcStrategyModuleZ3 [2065680581]. [2023-12-16 18:55:21,429 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:55:21,431 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 18:55:21,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 06:55:21 BoogieIcfgContainer [2023-12-16 18:55:21,433 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 18:55:21,433 INFO L158 Benchmark]: Toolchain (without parser) took 49748.17ms. Allocated memory was 178.3MB in the beginning and 4.1GB in the end (delta: 4.0GB). Free memory was 128.1MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2023-12-16 18:55:21,433 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 18:55:21,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1126.87ms. Allocated memory was 178.3MB in the beginning and 260.0MB in the end (delta: 81.8MB). Free memory was 127.8MB in the beginning and 162.8MB in the end (delta: -35.1MB). Peak memory consumption was 128.9MB. Max. memory is 8.0GB. [2023-12-16 18:55:21,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 1466.43ms. Allocated memory was 260.0MB in the beginning and 505.4MB in the end (delta: 245.4MB). Free memory was 162.8MB in the beginning and 216.8MB in the end (delta: -54.0MB). Peak memory consumption was 193.5MB. Max. memory is 8.0GB. [2023-12-16 18:55:21,435 INFO L158 Benchmark]: Boogie Preprocessor took 1640.99ms. Allocated memory was 505.4MB in the beginning and 1.0GB in the end (delta: 520.1MB). Free memory was 216.8MB in the beginning and 654.1MB in the end (delta: -437.3MB). Peak memory consumption was 112.2MB. Max. memory is 8.0GB. [2023-12-16 18:55:21,435 INFO L158 Benchmark]: RCFGBuilder took 6951.09ms. Allocated memory was 1.0GB in the beginning and 3.4GB in the end (delta: 2.4GB). Free memory was 653.6MB in the beginning and 2.6GB in the end (delta: -2.0GB). Peak memory consumption was 370.1MB. Max. memory is 8.0GB. [2023-12-16 18:55:21,435 INFO L158 Benchmark]: TraceAbstraction took 38555.92ms. Allocated memory was 3.4GB in the beginning and 4.1GB in the end (delta: 752.9MB). Free memory was 2.6GB in the beginning and 2.4GB in the end (delta: 200.4MB). Peak memory consumption was 954.3MB. Max. memory is 8.0GB. [2023-12-16 18:55:21,439 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 178.3MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1126.87ms. Allocated memory was 178.3MB in the beginning and 260.0MB in the end (delta: 81.8MB). Free memory was 127.8MB in the beginning and 162.8MB in the end (delta: -35.1MB). Peak memory consumption was 128.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 1466.43ms. Allocated memory was 260.0MB in the beginning and 505.4MB in the end (delta: 245.4MB). Free memory was 162.8MB in the beginning and 216.8MB in the end (delta: -54.0MB). Peak memory consumption was 193.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 1640.99ms. Allocated memory was 505.4MB in the beginning and 1.0GB in the end (delta: 520.1MB). Free memory was 216.8MB in the beginning and 654.1MB in the end (delta: -437.3MB). Peak memory consumption was 112.2MB. Max. memory is 8.0GB. * RCFGBuilder took 6951.09ms. Allocated memory was 1.0GB in the beginning and 3.4GB in the end (delta: 2.4GB). Free memory was 653.6MB in the beginning and 2.6GB in the end (delta: -2.0GB). Peak memory consumption was 370.1MB. Max. memory is 8.0GB. * TraceAbstraction took 38555.92ms. Allocated memory was 3.4GB in the beginning and 4.1GB in the end (delta: 752.9MB). Free memory was 2.6GB in the beginning and 2.4GB in the end (delta: 200.4MB). Peak memory consumption was 954.3MB. 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: 22]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 22). Cancelled while NwaCegarLoop was analyzing trace of length 1123 with TraceHistMax 16,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [43601535] and IpTcStrategyModuleZ3 [2065680581]. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 2990 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 38.5s, OverallIterations: 16, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85348 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85156 mSDsluCounter, 139658 SdHoareTripleChecker+Invalid, 5.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69752 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9503 IncrementalHoareTripleChecker+Invalid, 9534 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 69906 mSDtfsCounter, 9503 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 571 GetRequests, 514 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2990occurred in iteration=0, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 7.6s SatisfiabilityAnalysisTime, 19.4s InterpolantComputationTime, 16711 NumberOfCodeBlocks, 16711 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 16696 ConstructedInterpolants, 0 QuantifiedInterpolants, 48059 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 7200/7200 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