/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-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 19:06:28,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 19:06:28,667 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 19:06:28,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 19:06:28,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 19:06:28,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 19:06:28,686 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 19:06:28,686 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 19:06:28,687 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 19:06:28,687 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 19:06:28,687 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 19:06:28,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 19:06:28,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 19:06:28,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 19:06:28,688 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 19:06:28,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 19:06:28,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 19:06:28,689 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 19:06:28,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 19:06:28,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 19:06:28,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 19:06:28,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 19:06:28,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 19:06:28,690 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 19:06:28,691 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 19:06:28,691 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 19:06:28,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 19:06:28,691 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 19:06:28,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 19:06:28,691 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 19:06:28,692 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 19:06:28,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 19:06:28,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 19:06:28,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 19:06:28,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 19:06:28,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 19:06:28,693 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 19:06:28,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 19:06:28,693 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 19:06:28,693 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 19:06:28,693 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 19:06:28,693 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 19:06:28,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 19:06:28,693 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 19:06:28,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 19:06:28,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 19:06:28,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 19:06:28,857 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 19:06:28,857 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 19:06:28,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i [2023-12-20 19:06:29,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 19:06:30,183 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 19:06:30,184 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i [2023-12-20 19:06:30,195 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04cee96d7/ce2d085bd468423a91c41138ba57d875/FLAG6a8f151da [2023-12-20 19:06:30,207 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04cee96d7/ce2d085bd468423a91c41138ba57d875 [2023-12-20 19:06:30,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 19:06:30,211 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 19:06:30,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 19:06:30,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 19:06:30,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 19:06:30,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 07:06:30" (1/1) ... [2023-12-20 19:06:30,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1506bbee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:06:30, skipping insertion in model container [2023-12-20 19:06:30,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 07:06:30" (1/1) ... [2023-12-20 19:06:30,252 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 19:06:30,368 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i[916,929] [2023-12-20 19:06:30,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 19:06:30,484 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 19:06:30,496 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i[916,929] [2023-12-20 19:06:30,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 19:06:30,566 INFO L206 MainTranslator]: Completed translation [2023-12-20 19:06:30,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:06:30 WrapperNode [2023-12-20 19:06:30,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 19:06:30,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 19:06:30,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 19:06:30,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 19:06:30,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:06:30" (1/1) ... [2023-12-20 19:06:30,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:06:30" (1/1) ... [2023-12-20 19:06:30,632 INFO L138 Inliner]: procedures = 26, calls = 62, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 320 [2023-12-20 19:06:30,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 19:06:30,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 19:06:30,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 19:06:30,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 19:06:30,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:06:30" (1/1) ... [2023-12-20 19:06:30,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:06:30" (1/1) ... [2023-12-20 19:06:30,646 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:06:30" (1/1) ... [2023-12-20 19:06:30,666 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]. [2023-12-20 19:06:30,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:06:30" (1/1) ... [2023-12-20 19:06:30,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:06:30" (1/1) ... [2023-12-20 19:06:30,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:06:30" (1/1) ... [2023-12-20 19:06:30,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:06:30" (1/1) ... [2023-12-20 19:06:30,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:06:30" (1/1) ... [2023-12-20 19:06:30,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:06:30" (1/1) ... [2023-12-20 19:06:30,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 19:06:30,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 19:06:30,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 19:06:30,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 19:06:30,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:06:30" (1/1) ... [2023-12-20 19:06:30,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 19:06:30,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 19:06:30,741 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) [2023-12-20 19:06:30,801 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 [2023-12-20 19:06:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 19:06:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-20 19:06:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-20 19:06:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 19:06:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 19:06:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 19:06:30,910 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 19:06:30,914 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 19:06:31,350 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 19:06:31,370 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 19:06:31,370 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 19:06:31,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 07:06:31 BoogieIcfgContainer [2023-12-20 19:06:31,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 19:06:31,372 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 19:06:31,372 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 19:06:31,375 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 19:06:31,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 07:06:30" (1/3) ... [2023-12-20 19:06:31,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621b8251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 07:06:31, skipping insertion in model container [2023-12-20 19:06:31,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:06:30" (2/3) ... [2023-12-20 19:06:31,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621b8251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 07:06:31, skipping insertion in model container [2023-12-20 19:06:31,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 07:06:31" (3/3) ... [2023-12-20 19:06:31,377 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-10.i [2023-12-20 19:06:31,389 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 19:06:31,389 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 19:06:31,423 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 19:06:31,428 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;@2572bd01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 19:06:31,428 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 19:06:31,432 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 80 states have (on average 1.4875) internal successors, (119), 81 states have internal predecessors, (119), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-20 19:06:31,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2023-12-20 19:06:31,452 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 19:06:31,458 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 19:06:31,459 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 19:06:31,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 19:06:31,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1589508318, now seen corresponding path program 1 times [2023-12-20 19:06:31,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 19:06:31,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269132596] [2023-12-20 19:06:31,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 19:06:31,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 19:06:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 19:06:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 19:06:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 19:06:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 19:06:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 19:06:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 19:06:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 19:06:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 19:06:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 19:06:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 19:06:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 19:06:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 19:06:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 19:06:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 19:06:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 19:06:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 19:06:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 19:06:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 19:06:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 19:06:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 19:06:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 19:06:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 19:06:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-20 19:06:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-20 19:06:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-20 19:06:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-20 19:06:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-20 19:06:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-20 19:06:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-20 19:06:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-20 19:06:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-20 19:06:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-20 19:06:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-12-20 19:06:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-20 19:06:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 19:06:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 19:06:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-20 19:06:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-12-20 19:06:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-20 19:06:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-20 19:06:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-20 19:06:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-20 19:06:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-20 19:06:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:31,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-20 19:06:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-20 19:06:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-20 19:06:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-20 19:06:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-20 19:06:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-20 19:06:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2023-12-20 19:06:32,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 19:06:32,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269132596] [2023-12-20 19:06:32,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269132596] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 19:06:32,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 19:06:32,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 19:06:32,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789098395] [2023-12-20 19:06:32,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 19:06:32,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 19:06:32,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 19:06:32,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 19:06:32,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 19:06:32,059 INFO L87 Difference]: Start difference. First operand has 132 states, 80 states have (on average 1.4875) internal successors, (119), 81 states have internal predecessors, (119), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-20 19:06:32,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 19:06:32,113 INFO L93 Difference]: Finished difference Result 261 states and 481 transitions. [2023-12-20 19:06:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 19:06:32,115 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) Word has length 305 [2023-12-20 19:06:32,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 19:06:32,121 INFO L225 Difference]: With dead ends: 261 [2023-12-20 19:06:32,121 INFO L226 Difference]: Without dead ends: 130 [2023-12-20 19:06:32,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 19:06:32,131 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 19:06:32,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 209 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 19:06:32,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-12-20 19:06:32,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2023-12-20 19:06:32,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 79 states have (on average 1.4430379746835442) internal successors, (114), 79 states have internal predecessors, (114), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-20 19:06:32,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 212 transitions. [2023-12-20 19:06:32,176 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 212 transitions. Word has length 305 [2023-12-20 19:06:32,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 19:06:32,177 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 212 transitions. [2023-12-20 19:06:32,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-20 19:06:32,177 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 212 transitions. [2023-12-20 19:06:32,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2023-12-20 19:06:32,212 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 19:06:32,212 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 19:06:32,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 19:06:32,212 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 19:06:32,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 19:06:32,213 INFO L85 PathProgramCache]: Analyzing trace with hash 998241052, now seen corresponding path program 1 times [2023-12-20 19:06:32,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 19:06:32,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513861917] [2023-12-20 19:06:32,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 19:06:32,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 19:06:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 19:06:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 19:06:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 19:06:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 19:06:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 19:06:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 19:06:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 19:06:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 19:06:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 19:06:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 19:06:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 19:06:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 19:06:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 19:06:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 19:06:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 19:06:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 19:06:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 19:06:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 19:06:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 19:06:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 19:06:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 19:06:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 19:06:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-20 19:06:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-20 19:06:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-20 19:06:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-20 19:06:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-20 19:06:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-20 19:06:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-20 19:06:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-20 19:06:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-20 19:06:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-20 19:06:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-12-20 19:06:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-20 19:06:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 19:06:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 19:06:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-20 19:06:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-12-20 19:06:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-20 19:06:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-20 19:06:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-20 19:06:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-20 19:06:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-20 19:06:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-20 19:06:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-20 19:06:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-20 19:06:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-20 19:06:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-20 19:06:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-20 19:06:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2023-12-20 19:06:32,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 19:06:32,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513861917] [2023-12-20 19:06:32,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513861917] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 19:06:32,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 19:06:32,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 19:06:32,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302595938] [2023-12-20 19:06:32,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 19:06:32,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 19:06:32,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 19:06:32,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 19:06:32,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 19:06:32,622 INFO L87 Difference]: Start difference. First operand 130 states and 212 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2023-12-20 19:06:32,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 19:06:32,699 INFO L93 Difference]: Finished difference Result 346 states and 563 transitions. [2023-12-20 19:06:32,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 19:06:32,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 305 [2023-12-20 19:06:32,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 19:06:32,705 INFO L225 Difference]: With dead ends: 346 [2023-12-20 19:06:32,705 INFO L226 Difference]: Without dead ends: 217 [2023-12-20 19:06:32,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 19:06:32,707 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 138 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 19:06:32,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 467 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 19:06:32,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-12-20 19:06:32,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 214. [2023-12-20 19:06:32,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 136 states have (on average 1.463235294117647) internal successors, (199), 137 states have internal predecessors, (199), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2023-12-20 19:06:32,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 349 transitions. [2023-12-20 19:06:32,757 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 349 transitions. Word has length 305 [2023-12-20 19:06:32,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 19:06:32,759 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 349 transitions. [2023-12-20 19:06:32,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2023-12-20 19:06:32,759 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 349 transitions. [2023-12-20 19:06:32,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2023-12-20 19:06:32,763 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 19:06:32,763 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 19:06:32,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-20 19:06:32,764 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 19:06:32,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 19:06:32,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1874971356, now seen corresponding path program 1 times [2023-12-20 19:06:32,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 19:06:32,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575245930] [2023-12-20 19:06:32,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 19:06:32,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 19:06:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 19:06:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 19:06:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 19:06:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 19:06:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 19:06:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 19:06:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 19:06:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 19:06:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 19:06:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 19:06:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 19:06:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 19:06:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 19:06:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 19:06:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 19:06:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 19:06:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 19:06:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 19:06:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 19:06:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 19:06:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 19:06:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 19:06:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-20 19:06:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-20 19:06:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-20 19:06:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-20 19:06:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-20 19:06:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-20 19:06:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-20 19:06:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-20 19:06:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-20 19:06:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-20 19:06:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-12-20 19:06:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-20 19:06:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 19:06:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 19:06:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-20 19:06:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-12-20 19:06:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-20 19:06:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-20 19:06:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-20 19:06:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-20 19:06:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-20 19:06:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-20 19:06:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-20 19:06:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-20 19:06:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-20 19:06:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-20 19:06:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-20 19:06:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:32,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2023-12-20 19:06:32,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 19:06:32,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575245930] [2023-12-20 19:06:32,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575245930] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 19:06:32,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 19:06:32,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 19:06:32,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576285028] [2023-12-20 19:06:32,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 19:06:32,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 19:06:32,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 19:06:32,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 19:06:32,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 19:06:32,991 INFO L87 Difference]: Start difference. First operand 214 states and 349 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2023-12-20 19:06:33,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 19:06:33,060 INFO L93 Difference]: Finished difference Result 638 states and 1041 transitions. [2023-12-20 19:06:33,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 19:06:33,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 305 [2023-12-20 19:06:33,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 19:06:33,067 INFO L225 Difference]: With dead ends: 638 [2023-12-20 19:06:33,067 INFO L226 Difference]: Without dead ends: 425 [2023-12-20 19:06:33,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 19:06:33,074 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 201 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 19:06:33,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 410 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 19:06:33,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2023-12-20 19:06:33,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 228. [2023-12-20 19:06:33,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 150 states have (on average 1.46) internal successors, (219), 151 states have internal predecessors, (219), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2023-12-20 19:06:33,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 369 transitions. [2023-12-20 19:06:33,115 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 369 transitions. Word has length 305 [2023-12-20 19:06:33,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 19:06:33,116 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 369 transitions. [2023-12-20 19:06:33,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2023-12-20 19:06:33,117 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 369 transitions. [2023-12-20 19:06:33,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2023-12-20 19:06:33,119 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 19:06:33,119 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 19:06:33,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-20 19:06:33,119 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 19:06:33,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 19:06:33,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1065624730, now seen corresponding path program 1 times [2023-12-20 19:06:33,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 19:06:33,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755497962] [2023-12-20 19:06:33,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 19:06:33,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 19:06:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 19:06:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 19:06:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 19:06:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 19:06:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 19:06:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 19:06:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 19:06:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 19:06:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 19:06:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 19:06:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 19:06:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 19:06:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 19:06:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 19:06:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 19:06:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 19:06:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 19:06:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 19:06:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 19:06:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 19:06:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 19:06:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 19:06:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-20 19:06:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-20 19:06:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-20 19:06:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-20 19:06:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-20 19:06:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-20 19:06:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-20 19:06:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-20 19:06:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-20 19:06:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-20 19:06:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-12-20 19:06:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-20 19:06:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 19:06:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 19:06:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-20 19:06:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-12-20 19:06:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-20 19:06:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-20 19:06:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-20 19:06:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-20 19:06:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-20 19:06:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-20 19:06:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-20 19:06:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-20 19:06:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-20 19:06:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-20 19:06:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-20 19:06:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2023-12-20 19:06:33,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 19:06:33,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755497962] [2023-12-20 19:06:33,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755497962] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 19:06:33,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 19:06:33,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 19:06:33,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495387613] [2023-12-20 19:06:33,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 19:06:33,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 19:06:33,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 19:06:33,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 19:06:33,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 19:06:33,541 INFO L87 Difference]: Start difference. First operand 228 states and 369 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2023-12-20 19:06:33,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 19:06:33,606 INFO L93 Difference]: Finished difference Result 682 states and 1105 transitions. [2023-12-20 19:06:33,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 19:06:33,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 305 [2023-12-20 19:06:33,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 19:06:33,610 INFO L225 Difference]: With dead ends: 682 [2023-12-20 19:06:33,610 INFO L226 Difference]: Without dead ends: 455 [2023-12-20 19:06:33,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 19:06:33,616 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 122 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 19:06:33,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 406 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 19:06:33,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2023-12-20 19:06:33,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 451. [2023-12-20 19:06:33,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 296 states have (on average 1.4527027027027026) internal successors, (430), 298 states have internal predecessors, (430), 150 states have call successors, (150), 4 states have call predecessors, (150), 4 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2023-12-20 19:06:33,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 730 transitions. [2023-12-20 19:06:33,668 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 730 transitions. Word has length 305 [2023-12-20 19:06:33,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 19:06:33,671 INFO L495 AbstractCegarLoop]: Abstraction has 451 states and 730 transitions. [2023-12-20 19:06:33,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2023-12-20 19:06:33,671 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 730 transitions. [2023-12-20 19:06:33,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2023-12-20 19:06:33,674 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 19:06:33,674 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 19:06:33,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-20 19:06:33,675 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 19:06:33,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 19:06:33,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1513454430, now seen corresponding path program 1 times [2023-12-20 19:06:33,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 19:06:33,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041895178] [2023-12-20 19:06:33,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 19:06:33,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 19:06:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 19:06:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 19:06:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 19:06:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 19:06:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 19:06:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 19:06:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 19:06:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 19:06:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 19:06:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 19:06:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 19:06:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 19:06:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 19:06:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 19:06:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 19:06:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 19:06:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 19:06:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 19:06:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 19:06:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:33,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 19:06:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 19:06:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 19:06:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-20 19:06:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-20 19:06:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-20 19:06:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-20 19:06:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-20 19:06:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-20 19:06:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-20 19:06:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-20 19:06:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-20 19:06:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-20 19:06:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-12-20 19:06:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-20 19:06:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 19:06:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 19:06:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-20 19:06:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-12-20 19:06:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-20 19:06:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-20 19:06:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-20 19:06:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-20 19:06:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-20 19:06:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-20 19:06:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-20 19:06:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-20 19:06:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-20 19:06:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-20 19:06:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-20 19:06:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:06:34,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2023-12-20 19:06:34,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 19:06:34,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041895178] [2023-12-20 19:06:34,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041895178] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 19:06:34,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 19:06:34,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 19:06:34,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989067504] [2023-12-20 19:06:34,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 19:06:34,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 19:06:34,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 19:06:34,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 19:06:34,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-20 19:06:34,082 INFO L87 Difference]: Start difference. First operand 451 states and 730 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2023-12-20 19:06:34,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 19:06:34,268 INFO L93 Difference]: Finished difference Result 1185 states and 1921 transitions. [2023-12-20 19:06:34,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 19:06:34,268 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 306 [2023-12-20 19:06:34,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 19:06:34,272 INFO L225 Difference]: With dead ends: 1185 [2023-12-20 19:06:34,272 INFO L226 Difference]: Without dead ends: 735 [2023-12-20 19:06:34,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 19:06:34,274 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 149 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 19:06:34,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 614 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 19:06:34,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2023-12-20 19:06:34,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 617. [2023-12-20 19:06:34,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 411 states have (on average 1.491484184914842) internal successors, (613), 413 states have internal predecessors, (613), 199 states have call successors, (199), 6 states have call predecessors, (199), 6 states have return successors, (199), 197 states have call predecessors, (199), 199 states have call successors, (199) [2023-12-20 19:06:34,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 1011 transitions. [2023-12-20 19:06:34,329 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 1011 transitions. Word has length 306 [2023-12-20 19:06:34,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 19:06:34,329 INFO L495 AbstractCegarLoop]: Abstraction has 617 states and 1011 transitions. [2023-12-20 19:06:34,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2023-12-20 19:06:34,330 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 1011 transitions. [2023-12-20 19:06:34,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2023-12-20 19:06:34,332 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 19:06:34,332 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 19:06:34,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-20 19:06:34,333 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 19:06:34,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 19:06:34,333 INFO L85 PathProgramCache]: Analyzing trace with hash 837390437, now seen corresponding path program 1 times [2023-12-20 19:06:34,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 19:06:34,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287739020] [2023-12-20 19:06:34,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 19:06:34,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 19:06:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 19:07:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 19:07:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 19:07:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 19:07:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 19:07:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 19:07:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 19:07:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 19:07:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 19:07:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 19:07:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 19:07:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 19:07:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 19:07:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 19:07:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 19:07:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 19:07:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 19:07:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 19:07:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 19:07:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 19:07:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 19:07:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 19:07:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-20 19:07:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-20 19:07:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-20 19:07:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-20 19:07:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-20 19:07:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-20 19:07:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-20 19:07:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-20 19:07:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-20 19:07:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-20 19:07:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-12-20 19:07:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-20 19:07:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 19:07:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 19:07:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-20 19:07:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-12-20 19:07:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-20 19:07:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-20 19:07:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-20 19:07:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-20 19:07:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-20 19:07:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-20 19:07:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-20 19:07:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-20 19:07:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-20 19:07:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-20 19:07:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-20 19:07:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:07:01,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2023-12-20 19:07:01,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 19:07:01,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287739020] [2023-12-20 19:07:01,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287739020] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 19:07:01,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 19:07:01,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-20 19:07:01,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671213710] [2023-12-20 19:07:01,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 19:07:01,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-20 19:07:01,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 19:07:01,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-20 19:07:01,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-12-20 19:07:01,218 INFO L87 Difference]: Start difference. First operand 617 states and 1011 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-20 19:07:02,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 19:07:02,805 INFO L93 Difference]: Finished difference Result 1847 states and 2917 transitions. [2023-12-20 19:07:02,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-20 19:07:02,806 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 307 [2023-12-20 19:07:02,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 19:07:02,811 INFO L225 Difference]: With dead ends: 1847 [2023-12-20 19:07:02,811 INFO L226 Difference]: Without dead ends: 1397 [2023-12-20 19:07:02,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=207, Invalid=443, Unknown=0, NotChecked=0, Total=650 [2023-12-20 19:07:02,813 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 442 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 887 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 1327 SdHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-20 19:07:02,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 1327 Invalid, 1099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 887 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-20 19:07:02,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states. [2023-12-20 19:07:02,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 1052. [2023-12-20 19:07:02,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 683 states have (on average 1.3923865300146412) internal successors, (951), 688 states have internal predecessors, (951), 349 states have call successors, (349), 19 states have call predecessors, (349), 19 states have return successors, (349), 344 states have call predecessors, (349), 349 states have call successors, (349) [2023-12-20 19:07:02,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1649 transitions. [2023-12-20 19:07:02,892 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1649 transitions. Word has length 307 [2023-12-20 19:07:02,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 19:07:02,892 INFO L495 AbstractCegarLoop]: Abstraction has 1052 states and 1649 transitions. [2023-12-20 19:07:02,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-20 19:07:02,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1649 transitions. [2023-12-20 19:07:02,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2023-12-20 19:07:02,896 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 19:07:02,897 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 19:07:02,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-20 19:07:02,898 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 19:07:02,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 19:07:02,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1538455015, now seen corresponding path program 1 times [2023-12-20 19:07:02,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 19:07:02,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122511007] [2023-12-20 19:07:02,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 19:07:02,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 19:07:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 19:08:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 19:08:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 19:08:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 19:08:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 19:08:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 19:08:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 19:08:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 19:08:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 19:08:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 19:08:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 19:08:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 19:08:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 19:08:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 19:08:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 19:08:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 19:08:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 19:08:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 19:08:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 19:08:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 19:08:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 19:08:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 19:08:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-20 19:08:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-20 19:08:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-20 19:08:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-20 19:08:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-20 19:08:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-20 19:08:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-20 19:08:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-20 19:08:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-20 19:08:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-20 19:08:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-12-20 19:08:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-20 19:08:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 19:08:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 19:08:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-20 19:08:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-12-20 19:08:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-20 19:08:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-20 19:08:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-20 19:08:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-20 19:08:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-20 19:08:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-20 19:08:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-20 19:08:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-20 19:08:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-20 19:08:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-20 19:08:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-20 19:08:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:20,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2023-12-20 19:08:20,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 19:08:20,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122511007] [2023-12-20 19:08:20,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122511007] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 19:08:20,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 19:08:20,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-20 19:08:20,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884433929] [2023-12-20 19:08:20,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 19:08:20,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 19:08:20,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 19:08:20,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 19:08:20,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-12-20 19:08:20,431 INFO L87 Difference]: Start difference. First operand 1052 states and 1649 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2023-12-20 19:08:23,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-20 19:08:23,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 19:08:23,865 INFO L93 Difference]: Finished difference Result 2260 states and 3515 transitions. [2023-12-20 19:08:23,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-20 19:08:23,866 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 307 [2023-12-20 19:08:23,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 19:08:23,870 INFO L225 Difference]: With dead ends: 2260 [2023-12-20 19:08:23,870 INFO L226 Difference]: Without dead ends: 1298 [2023-12-20 19:08:23,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=200, Invalid=450, Unknown=0, NotChecked=0, Total=650 [2023-12-20 19:08:23,873 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 380 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-20 19:08:23,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 1212 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-20 19:08:23,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1298 states. [2023-12-20 19:08:23,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1298 to 1036. [2023-12-20 19:08:23,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 667 states have (on average 1.3958020989505247) internal successors, (931), 672 states have internal predecessors, (931), 349 states have call successors, (349), 19 states have call predecessors, (349), 19 states have return successors, (349), 344 states have call predecessors, (349), 349 states have call successors, (349) [2023-12-20 19:08:23,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1629 transitions. [2023-12-20 19:08:23,944 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1629 transitions. Word has length 307 [2023-12-20 19:08:23,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 19:08:23,945 INFO L495 AbstractCegarLoop]: Abstraction has 1036 states and 1629 transitions. [2023-12-20 19:08:23,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2023-12-20 19:08:23,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1629 transitions. [2023-12-20 19:08:23,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2023-12-20 19:08:23,948 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 19:08:23,948 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 19:08:23,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-20 19:08:23,948 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 19:08:23,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 19:08:23,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1368366555, now seen corresponding path program 1 times [2023-12-20 19:08:23,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 19:08:23,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672508612] [2023-12-20 19:08:23,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 19:08:23,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 19:08:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 19:08:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 19:08:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 19:08:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 19:08:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 19:08:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 19:08:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 19:08:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 19:08:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 19:08:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 19:08:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 19:08:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 19:08:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 19:08:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 19:08:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 19:08:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 19:08:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 19:08:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 19:08:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 19:08:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 19:08:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 19:08:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 19:08:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-20 19:08:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-20 19:08:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-20 19:08:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-20 19:08:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-20 19:08:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-20 19:08:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-20 19:08:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-20 19:08:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-20 19:08:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-20 19:08:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-12-20 19:08:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-20 19:08:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 19:08:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 19:08:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-20 19:08:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-12-20 19:08:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-20 19:08:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-20 19:08:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-20 19:08:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-20 19:08:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-20 19:08:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-20 19:08:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-20 19:08:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-20 19:08:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-20 19:08:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-20 19:08:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-20 19:08:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:08:48,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2023-12-20 19:08:48,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 19:08:48,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672508612] [2023-12-20 19:08:48,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672508612] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 19:08:48,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 19:08:48,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-20 19:08:48,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57711057] [2023-12-20 19:08:48,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 19:08:48,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-20 19:08:48,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 19:08:48,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-20 19:08:48,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2023-12-20 19:08:48,523 INFO L87 Difference]: Start difference. First operand 1036 states and 1629 transitions. Second operand has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 15 states have internal predecessors, (65), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-20 19:08:52,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 19:08:52,003 INFO L93 Difference]: Finished difference Result 2174 states and 3398 transitions. [2023-12-20 19:08:52,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-20 19:08:52,004 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 15 states have internal predecessors, (65), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 307 [2023-12-20 19:08:52,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 19:08:52,010 INFO L225 Difference]: With dead ends: 2174 [2023-12-20 19:08:52,010 INFO L226 Difference]: Without dead ends: 1228 [2023-12-20 19:08:52,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2023-12-20 19:08:52,013 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 483 mSDsluCounter, 1150 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-20 19:08:52,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 1357 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-20 19:08:52,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2023-12-20 19:08:52,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1052. [2023-12-20 19:08:52,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 683 states have (on average 1.3806734992679355) internal successors, (943), 688 states have internal predecessors, (943), 349 states have call successors, (349), 19 states have call predecessors, (349), 19 states have return successors, (349), 344 states have call predecessors, (349), 349 states have call successors, (349) [2023-12-20 19:08:52,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1641 transitions. [2023-12-20 19:08:52,105 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1641 transitions. Word has length 307 [2023-12-20 19:08:52,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 19:08:52,106 INFO L495 AbstractCegarLoop]: Abstraction has 1052 states and 1641 transitions. [2023-12-20 19:08:52,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 15 states have internal predecessors, (65), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-20 19:08:52,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1641 transitions. [2023-12-20 19:08:52,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2023-12-20 19:08:52,108 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 19:08:52,108 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 19:08:52,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-20 19:08:52,109 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 19:08:52,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 19:08:52,109 INFO L85 PathProgramCache]: Analyzing trace with hash -750957465, now seen corresponding path program 1 times [2023-12-20 19:08:52,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 19:08:52,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900013588] [2023-12-20 19:08:52,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 19:08:52,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 19:08:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 19:09:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 19:09:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 19:09:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 19:09:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 19:09:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 19:09:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 19:09:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 19:09:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 19:09:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 19:09:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 19:09:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 19:09:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 19:09:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 19:09:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 19:09:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 19:09:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 19:09:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 19:09:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 19:09:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 19:09:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 19:09:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 19:09:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-20 19:09:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-20 19:09:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-20 19:09:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-20 19:09:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-20 19:09:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-20 19:09:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-20 19:09:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-20 19:09:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-20 19:09:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-20 19:09:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-12-20 19:09:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-20 19:09:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 19:09:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 19:09:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-20 19:09:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-12-20 19:09:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-20 19:09:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-20 19:09:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-20 19:09:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-20 19:09:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-20 19:09:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-20 19:09:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-20 19:09:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-20 19:09:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-20 19:09:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-20 19:09:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-20 19:09:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:09:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2023-12-20 19:09:40,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 19:09:40,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900013588] [2023-12-20 19:09:40,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900013588] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 19:09:40,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 19:09:40,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-20 19:09:40,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046583807] [2023-12-20 19:09:40,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 19:09:40,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-20 19:09:40,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 19:09:40,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-20 19:09:40,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-12-20 19:09:40,465 INFO L87 Difference]: Start difference. First operand 1052 states and 1641 transitions. Second operand has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-20 19:09:46,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-20 19:09:48,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 19:09:48,073 INFO L93 Difference]: Finished difference Result 2461 states and 3831 transitions. [2023-12-20 19:09:48,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 19:09:48,074 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 307 [2023-12-20 19:09:48,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 19:09:48,081 INFO L225 Difference]: With dead ends: 2461 [2023-12-20 19:09:48,081 INFO L226 Difference]: Without dead ends: 2011 [2023-12-20 19:09:48,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=274, Invalid=656, Unknown=0, NotChecked=0, Total=930 [2023-12-20 19:09:48,083 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 385 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 168 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 1547 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-12-20 19:09:48,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 1547 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 904 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2023-12-20 19:09:48,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2023-12-20 19:09:48,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 1637. [2023-12-20 19:09:48,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1637 states, 1105 states have (on average 1.4180995475113123) internal successors, (1567), 1111 states have internal predecessors, (1567), 499 states have call successors, (499), 32 states have call predecessors, (499), 32 states have return successors, (499), 493 states have call predecessors, (499), 499 states have call successors, (499) [2023-12-20 19:09:48,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2565 transitions. [2023-12-20 19:09:48,264 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2565 transitions. Word has length 307 [2023-12-20 19:09:48,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 19:09:48,265 INFO L495 AbstractCegarLoop]: Abstraction has 1637 states and 2565 transitions. [2023-12-20 19:09:48,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-20 19:09:48,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2565 transitions. [2023-12-20 19:09:48,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2023-12-20 19:09:48,267 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 19:09:48,267 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 19:09:48,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-20 19:09:48,268 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 19:09:48,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 19:09:48,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1338252839, now seen corresponding path program 1 times [2023-12-20 19:09:48,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 19:09:48,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669562570] [2023-12-20 19:09:48,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 19:09:48,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 19:09:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 19:10:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 19:10:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 19:10:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 19:10:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 19:10:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 19:10:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 19:10:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 19:10:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 19:10:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 19:10:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 19:10:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 19:10:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 19:10:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 19:10:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 19:10:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 19:10:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 19:10:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 19:10:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 19:10:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 19:10:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 19:10:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 19:10:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-20 19:10:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-20 19:10:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-20 19:10:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-20 19:10:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-20 19:10:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-20 19:10:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-20 19:10:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-20 19:10:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-20 19:10:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-20 19:10:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-12-20 19:10:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-20 19:10:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 19:10:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 19:10:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-20 19:10:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-12-20 19:10:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-20 19:10:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-20 19:10:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-20 19:10:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-20 19:10:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-20 19:10:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-20 19:10:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-20 19:10:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-20 19:10:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-20 19:10:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-20 19:10:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-20 19:10:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:10:49,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2023-12-20 19:10:49,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 19:10:49,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669562570] [2023-12-20 19:10:49,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669562570] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 19:10:49,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 19:10:49,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-20 19:10:49,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611062325] [2023-12-20 19:10:49,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 19:10:49,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-20 19:10:49,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 19:10:49,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-20 19:10:49,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-12-20 19:10:49,793 INFO L87 Difference]: Start difference. First operand 1637 states and 2565 transitions. Second operand has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-20 19:10:52,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 19:10:52,245 INFO L93 Difference]: Finished difference Result 3125 states and 4905 transitions. [2023-12-20 19:10:52,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-20 19:10:52,245 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 307 [2023-12-20 19:10:52,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 19:10:52,254 INFO L225 Difference]: With dead ends: 3125 [2023-12-20 19:10:52,254 INFO L226 Difference]: Without dead ends: 2179 [2023-12-20 19:10:52,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2023-12-20 19:10:52,258 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 431 mSDsluCounter, 1266 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1473 SdHoareTripleChecker+Invalid, 1410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 19:10:52,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1473 Invalid, 1410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 19:10:52,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2179 states. [2023-12-20 19:10:52,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2179 to 2077. [2023-12-20 19:10:52,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2077 states, 1387 states have (on average 1.4124008651766402) internal successors, (1959), 1395 states have internal predecessors, (1959), 649 states have call successors, (649), 40 states have call predecessors, (649), 40 states have return successors, (649), 641 states have call predecessors, (649), 649 states have call successors, (649) [2023-12-20 19:10:52,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 2077 states and 3257 transitions. [2023-12-20 19:10:52,462 INFO L78 Accepts]: Start accepts. Automaton has 2077 states and 3257 transitions. Word has length 307 [2023-12-20 19:10:52,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 19:10:52,463 INFO L495 AbstractCegarLoop]: Abstraction has 2077 states and 3257 transitions. [2023-12-20 19:10:52,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-20 19:10:52,463 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 3257 transitions. [2023-12-20 19:10:52,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2023-12-20 19:10:52,465 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 19:10:52,465 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 19:10:52,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-20 19:10:52,465 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 19:10:52,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 19:10:52,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1463935395, now seen corresponding path program 1 times [2023-12-20 19:10:52,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 19:10:52,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29454083] [2023-12-20 19:10:52,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 19:10:52,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 19:10:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 19:11:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 19:11:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 19:11:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 19:11:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 19:11:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 19:11:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 19:11:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 19:11:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 19:11:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 19:11:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 19:11:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 19:11:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 19:11:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 19:11:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 19:11:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 19:11:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 19:11:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 19:11:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 19:11:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 19:11:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 19:11:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 19:11:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-20 19:11:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-20 19:11:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-20 19:11:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-20 19:11:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-20 19:11:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-20 19:11:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-20 19:11:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-20 19:11:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-20 19:11:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-20 19:11:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-12-20 19:11:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-20 19:11:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 19:11:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 19:11:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-20 19:11:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-12-20 19:11:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-20 19:11:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-20 19:11:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-20 19:11:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-20 19:11:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-20 19:11:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-20 19:11:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-20 19:11:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-20 19:11:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-20 19:11:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-20 19:11:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-20 19:11:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:47,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2023-12-20 19:11:47,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 19:11:47,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29454083] [2023-12-20 19:11:47,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29454083] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 19:11:47,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 19:11:47,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-20 19:11:47,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421820564] [2023-12-20 19:11:47,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 19:11:47,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-20 19:11:47,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 19:11:47,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-20 19:11:47,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2023-12-20 19:11:47,919 INFO L87 Difference]: Start difference. First operand 2077 states and 3257 transitions. Second operand has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-20 19:11:52,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 19:11:52,801 INFO L93 Difference]: Finished difference Result 3917 states and 6055 transitions. [2023-12-20 19:11:52,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-20 19:11:52,802 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 308 [2023-12-20 19:11:52,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 19:11:52,811 INFO L225 Difference]: With dead ends: 3917 [2023-12-20 19:11:52,812 INFO L226 Difference]: Without dead ends: 2479 [2023-12-20 19:11:52,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=220, Invalid=482, Unknown=0, NotChecked=0, Total=702 [2023-12-20 19:11:52,817 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 319 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 1594 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-20 19:11:52,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 1594 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-20 19:11:52,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2479 states. [2023-12-20 19:11:53,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2479 to 2105. [2023-12-20 19:11:53,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2105 states, 1415 states have (on average 1.4098939929328622) internal successors, (1995), 1423 states have internal predecessors, (1995), 649 states have call successors, (649), 40 states have call predecessors, (649), 40 states have return successors, (649), 641 states have call predecessors, (649), 649 states have call successors, (649) [2023-12-20 19:11:53,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 2105 states and 3293 transitions. [2023-12-20 19:11:53,040 INFO L78 Accepts]: Start accepts. Automaton has 2105 states and 3293 transitions. Word has length 308 [2023-12-20 19:11:53,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 19:11:53,040 INFO L495 AbstractCegarLoop]: Abstraction has 2105 states and 3293 transitions. [2023-12-20 19:11:53,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-20 19:11:53,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 3293 transitions. [2023-12-20 19:11:53,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2023-12-20 19:11:53,043 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 19:11:53,043 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 19:11:53,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-20 19:11:53,044 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 19:11:53,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 19:11:53,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1722100833, now seen corresponding path program 1 times [2023-12-20 19:11:53,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 19:11:53,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849415018] [2023-12-20 19:11:53,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 19:11:53,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 19:11:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 19:11:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 19:11:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 19:11:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 19:11:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 19:11:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 19:11:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 19:11:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 19:11:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 19:11:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 19:11:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 19:11:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 19:11:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 19:11:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 19:11:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 19:11:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 19:11:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 19:11:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 19:11:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 19:11:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 19:11:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 19:11:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 19:11:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-20 19:11:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-20 19:11:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-20 19:11:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-20 19:11:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-20 19:11:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-20 19:11:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-20 19:11:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-20 19:11:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-20 19:11:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-20 19:11:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-12-20 19:11:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-20 19:11:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 19:11:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 19:11:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-20 19:11:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-12-20 19:11:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-20 19:11:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-20 19:11:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-20 19:11:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-20 19:11:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-20 19:11:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-20 19:11:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-20 19:11:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-20 19:11:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-20 19:11:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-20 19:11:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-20 19:11:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:11:53,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2023-12-20 19:11:53,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 19:11:53,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849415018] [2023-12-20 19:11:53,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849415018] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 19:11:53,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 19:11:53,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 19:11:53,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592809206] [2023-12-20 19:11:53,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 19:11:53,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 19:11:53,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 19:11:53,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 19:11:53,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-20 19:11:53,231 INFO L87 Difference]: Start difference. First operand 2105 states and 3293 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2023-12-20 19:11:53,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 19:11:53,496 INFO L93 Difference]: Finished difference Result 4497 states and 6887 transitions. [2023-12-20 19:11:53,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 19:11:53,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 308 [2023-12-20 19:11:53,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 19:11:53,508 INFO L225 Difference]: With dead ends: 4497 [2023-12-20 19:11:53,508 INFO L226 Difference]: Without dead ends: 2571 [2023-12-20 19:11:53,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 19:11:53,516 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 31 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 19:11:53,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 648 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 19:11:53,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2023-12-20 19:11:53,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 2529. [2023-12-20 19:11:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2529 states, 1747 states have (on average 1.368631940469376) internal successors, (2391), 1771 states have internal predecessors, (2391), 713 states have call successors, (713), 68 states have call predecessors, (713), 68 states have return successors, (713), 689 states have call predecessors, (713), 713 states have call successors, (713) [2023-12-20 19:11:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2529 states and 3817 transitions. [2023-12-20 19:11:53,796 INFO L78 Accepts]: Start accepts. Automaton has 2529 states and 3817 transitions. Word has length 308 [2023-12-20 19:11:53,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 19:11:53,797 INFO L495 AbstractCegarLoop]: Abstraction has 2529 states and 3817 transitions. [2023-12-20 19:11:53,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2023-12-20 19:11:53,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 3817 transitions. [2023-12-20 19:11:53,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2023-12-20 19:11:53,800 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 19:11:53,800 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 19:11:53,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-20 19:11:53,800 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 19:11:53,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 19:11:53,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1804945379, now seen corresponding path program 1 times [2023-12-20 19:11:53,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 19:11:53,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576216476] [2023-12-20 19:11:53,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 19:11:53,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 19:11:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 19:18:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 19:18:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 19:18:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 19:18:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 19:18:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 19:18:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 19:18:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 19:18:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 19:18:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 19:18:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 19:18:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 19:18:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 19:18:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 19:18:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 19:18:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 19:18:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 19:18:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 19:18:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 19:18:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 19:18:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 19:18:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 19:18:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-20 19:18:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-20 19:18:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-20 19:18:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-20 19:18:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-20 19:18:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-20 19:18:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-20 19:18:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-20 19:18:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-20 19:18:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-20 19:18:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-12-20 19:18:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-20 19:18:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 19:18:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 19:18:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-20 19:18:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-12-20 19:18:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-20 19:18:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-20 19:18:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-20 19:18:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-20 19:18:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-20 19:18:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-20 19:18:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-20 19:18:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-12-20 19:18:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-20 19:18:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-20 19:18:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-20 19:18:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 19:18:38,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2023-12-20 19:18:38,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 19:18:38,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576216476] [2023-12-20 19:18:38,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576216476] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 19:18:38,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 19:18:38,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-20 19:18:38,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640858000] [2023-12-20 19:18:38,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 19:18:38,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-20 19:18:38,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 19:18:38,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-20 19:18:38,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2023-12-20 19:18:38,623 INFO L87 Difference]: Start difference. First operand 2529 states and 3817 transitions. Second operand has 19 states, 19 states have (on average 3.473684210526316) internal successors, (66), 19 states have internal predecessors, (66), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-12-20 19:19:04,908 WARN L293 SmtUtils]: Spent 6.31s on a formula simplification. DAG size of input: 205 DAG size of output: 151 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-20 19:19:09,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-20 19:19:21,164 WARN L293 SmtUtils]: Spent 11.22s on a formula simplification. DAG size of input: 359 DAG size of output: 162 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-20 19:19:27,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 19:19:27,158 INFO L93 Difference]: Finished difference Result 3871 states and 5722 transitions. [2023-12-20 19:19:27,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-20 19:19:27,159 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.473684210526316) internal successors, (66), 19 states have internal predecessors, (66), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 308 [2023-12-20 19:19:27,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 19:19:27,170 INFO L225 Difference]: With dead ends: 3871 [2023-12-20 19:19:27,170 INFO L226 Difference]: Without dead ends: 3317 [2023-12-20 19:19:27,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 44.1s TimeCoverageRelationStatistics Valid=506, Invalid=1846, Unknown=0, NotChecked=0, Total=2352 [2023-12-20 19:19:27,173 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 726 mSDsluCounter, 1920 mSDsCounter, 0 mSdLazyCounter, 2028 mSolverCounterSat, 267 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 2108 SdHoareTripleChecker+Invalid, 2296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 2028 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-12-20 19:19:27,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 2108 Invalid, 2296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 2028 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2023-12-20 19:19:27,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3317 states. [2023-12-20 19:19:27,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3317 to 2585. [2023-12-20 19:19:27,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2585 states, 1801 states have (on average 1.3686840644086617) internal successors, (2465), 1825 states have internal predecessors, (2465), 713 states have call successors, (713), 70 states have call predecessors, (713), 70 states have return successors, (713), 689 states have call predecessors, (713), 713 states have call successors, (713) [2023-12-20 19:19:27,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2585 states and 3891 transitions. [2023-12-20 19:19:27,441 INFO L78 Accepts]: Start accepts. Automaton has 2585 states and 3891 transitions. Word has length 308 [2023-12-20 19:19:27,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 19:19:27,441 INFO L495 AbstractCegarLoop]: Abstraction has 2585 states and 3891 transitions. [2023-12-20 19:19:27,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.473684210526316) internal successors, (66), 19 states have internal predecessors, (66), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-12-20 19:19:27,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 3891 transitions. [2023-12-20 19:19:27,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2023-12-20 19:19:27,443 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 19:19:27,443 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 19:19:27,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-20 19:19:27,443 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 19:19:27,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 19:19:27,444 INFO L85 PathProgramCache]: Analyzing trace with hash -661838107, now seen corresponding path program 1 times [2023-12-20 19:19:27,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 19:19:27,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396041446] [2023-12-20 19:19:27,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 19:19:27,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 19:19:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-12-20 19:20:47,286 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 19:20:47,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-20 19:20:47,287 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 309 with TraceHistMax 49,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-2-2-2-2-4-3-3-3-5-2-5-3-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-33-5-3-4-4-4-3-4-3-5-3-5-4-6-4-6-4-6-4-6-4-5-4-4-3-3-2-2-1 context. [2023-12-20 19:20:47,290 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 19:20:47,306 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 19:20:47,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 07:20:47 BoogieIcfgContainer [2023-12-20 19:20:47,308 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 19:20:47,308 INFO L158 Benchmark]: Toolchain (without parser) took 857097.82ms. Allocated memory was 167.8MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 122.9MB in the beginning and 772.5MB in the end (delta: -649.6MB). Peak memory consumption was 913.2MB. Max. memory is 8.0GB. [2023-12-20 19:20:47,309 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 167.8MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 19:20:47,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.06ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 103.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-20 19:20:47,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.38ms. Allocated memory is still 167.8MB. Free memory was 103.7MB in the beginning and 97.3MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-20 19:20:47,309 INFO L158 Benchmark]: Boogie Preprocessor took 56.26ms. Allocated memory is still 167.8MB. Free memory was 97.3MB in the beginning and 88.3MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-12-20 19:20:47,309 INFO L158 Benchmark]: RCFGBuilder took 680.75ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 88.0MB in the beginning and 166.1MB in the end (delta: -78.1MB). Peak memory consumption was 22.5MB. Max. memory is 8.0GB. [2023-12-20 19:20:47,310 INFO L158 Benchmark]: TraceAbstraction took 855935.84ms. Allocated memory was 226.5MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 165.5MB in the beginning and 772.5MB in the end (delta: -607.0MB). Peak memory consumption was 895.9MB. Max. memory is 8.0GB. [2023-12-20 19:20:47,311 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2023-12-20 19:20:47,313 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 Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 167.8MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 354.06ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 103.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.38ms. Allocated memory is still 167.8MB. Free memory was 103.7MB in the beginning and 97.3MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 56.26ms. Allocated memory is still 167.8MB. Free memory was 97.3MB in the beginning and 88.3MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * RCFGBuilder took 680.75ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 88.0MB in the beginning and 166.1MB in the end (delta: -78.1MB). Peak memory consumption was 22.5MB. Max. memory is 8.0GB. * TraceAbstraction took 855935.84ms. Allocated memory was 226.5MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 165.5MB in the beginning and 772.5MB in the end (delta: -607.0MB). Peak memory consumption was 895.9MB. 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: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 309 with TraceHistMax 49,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-2-2-2-2-4-3-3-3-5-2-5-3-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-33-5-3-4-4-4-3-4-3-5-3-5-4-6-4-6-4-6-4-6-4-5-4-4-3-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 132 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 855.9s, OverallIterations: 14, TraceHistogramMax: 49, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 72.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 3807 SdHoareTripleChecker+Valid, 23.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3807 mSDsluCounter, 13372 SdHoareTripleChecker+Invalid, 22.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10588 mSDsCounter, 1574 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7859 IncrementalHoareTripleChecker+Invalid, 9435 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1574 mSolverCounterUnsat, 2784 mSDtfsCounter, 7859 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1611 GetRequests, 1400 SyntacticMatches, 0 SemanticMatches, 211 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1150 ImplicationChecksByTransitivity, 59.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2585occurred in iteration=13, InterpolantAutomatonStates: 173, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 2729 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 700.0s InterpolantComputationTime, 3985 NumberOfCodeBlocks, 3985 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3972 ConstructedInterpolants, 0 QuantifiedInterpolants, 37701 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 61152/61152 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