./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-81.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b9308720d07799738d2bf3272bc150196623be74b0092d021bdb1b9cd368313 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 04:09:16,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 04:09:16,378 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 04:09:16,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 04:09:16,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 04:09:16,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 04:09:16,410 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 04:09:16,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 04:09:16,411 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 04:09:16,414 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 04:09:16,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 04:09:16,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 04:09:16,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 04:09:16,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 04:09:16,415 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 04:09:16,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 04:09:16,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 04:09:16,416 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 04:09:16,416 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 04:09:16,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 04:09:16,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 04:09:16,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 04:09:16,418 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 04:09:16,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 04:09:16,419 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 04:09:16,419 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 04:09:16,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 04:09:16,419 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 04:09:16,420 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 04:09:16,420 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 04:09:16,420 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 04:09:16,420 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 04:09:16,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 04:09:16,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 04:09:16,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 04:09:16,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 04:09:16,421 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 04:09:16,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 04:09:16,421 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 04:09:16,421 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 04:09:16,421 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 04:09:16,423 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 04:09:16,423 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b9308720d07799738d2bf3272bc150196623be74b0092d021bdb1b9cd368313 [2024-11-10 04:09:16,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 04:09:16,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 04:09:16,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 04:09:16,668 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 04:09:16,668 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 04:09:16,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-81.i [2024-11-10 04:09:18,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 04:09:18,269 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 04:09:18,270 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-81.i [2024-11-10 04:09:18,277 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4493aef87/ce6cff156c674b0f8fb54f83053f9809/FLAG5d7046c9e [2024-11-10 04:09:18,664 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4493aef87/ce6cff156c674b0f8fb54f83053f9809 [2024-11-10 04:09:18,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 04:09:18,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 04:09:18,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 04:09:18,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 04:09:18,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 04:09:18,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:09:18" (1/1) ... [2024-11-10 04:09:18,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f1dd38d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:18, skipping insertion in model container [2024-11-10 04:09:18,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:09:18" (1/1) ... [2024-11-10 04:09:18,702 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 04:09:18,862 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-81.i[915,928] [2024-11-10 04:09:18,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 04:09:18,988 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 04:09:19,011 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-81.i[915,928] [2024-11-10 04:09:19,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 04:09:19,072 INFO L204 MainTranslator]: Completed translation [2024-11-10 04:09:19,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:19 WrapperNode [2024-11-10 04:09:19,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 04:09:19,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 04:09:19,077 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 04:09:19,077 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 04:09:19,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:19" (1/1) ... [2024-11-10 04:09:19,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:19" (1/1) ... [2024-11-10 04:09:19,137 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 217 [2024-11-10 04:09:19,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 04:09:19,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 04:09:19,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 04:09:19,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 04:09:19,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:19" (1/1) ... [2024-11-10 04:09:19,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:19" (1/1) ... [2024-11-10 04:09:19,152 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:19" (1/1) ... [2024-11-10 04:09:19,166 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]. [2024-11-10 04:09:19,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:19" (1/1) ... [2024-11-10 04:09:19,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:19" (1/1) ... [2024-11-10 04:09:19,175 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:19" (1/1) ... [2024-11-10 04:09:19,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:19" (1/1) ... [2024-11-10 04:09:19,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:19" (1/1) ... [2024-11-10 04:09:19,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:19" (1/1) ... [2024-11-10 04:09:19,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 04:09:19,191 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 04:09:19,191 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 04:09:19,191 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 04:09:19,192 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:19" (1/1) ... [2024-11-10 04:09:19,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 04:09:19,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 04:09:19,228 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) [2024-11-10 04:09:19,231 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 [2024-11-10 04:09:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 04:09:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 04:09:19,267 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 04:09:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 04:09:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 04:09:19,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 04:09:19,350 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 04:09:19,352 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 04:09:19,667 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L165: havoc property_#t~bitwise22#1;havoc property_#t~short23#1; [2024-11-10 04:09:19,710 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-10 04:09:19,710 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 04:09:19,727 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 04:09:19,727 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 04:09:19,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 04:09:19 BoogieIcfgContainer [2024-11-10 04:09:19,728 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 04:09:19,732 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 04:09:19,732 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 04:09:19,735 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 04:09:19,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:09:18" (1/3) ... [2024-11-10 04:09:19,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b728109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:09:19, skipping insertion in model container [2024-11-10 04:09:19,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:19" (2/3) ... [2024-11-10 04:09:19,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b728109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:09:19, skipping insertion in model container [2024-11-10 04:09:19,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 04:09:19" (3/3) ... [2024-11-10 04:09:19,738 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-81.i [2024-11-10 04:09:19,752 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 04:09:19,752 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 04:09:19,796 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 04:09:19,803 INFO L333 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, 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;@1666bf6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 04:09:19,803 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 04:09:19,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 58 states have internal predecessors, (76), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 04:09:19,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-10 04:09:19,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:09:19,823 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:09:19,823 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:09:19,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:09:19,829 INFO L85 PathProgramCache]: Analyzing trace with hash -17603865, now seen corresponding path program 1 times [2024-11-10 04:09:19,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:09:19,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22234262] [2024-11-10 04:09:19,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:09:19,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:09:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:09:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:09:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:09:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:09:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:09:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:09:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:09:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:09:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:09:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:09:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:09:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:09:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:09:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:09:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:09:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:09:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:09:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:09:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:09:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:09:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:09:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:09:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:09:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:09:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:09:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:09:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:09:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:09:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:09:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 04:09:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:09:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 04:09:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:09:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 04:09:20,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:09:20,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22234262] [2024-11-10 04:09:20,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22234262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:09:20,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:09:20,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 04:09:20,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021769388] [2024-11-10 04:09:20,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:09:20,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 04:09:20,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:09:20,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 04:09:20,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 04:09:20,373 INFO L87 Difference]: Start difference. First operand has 93 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 58 states have internal predecessors, (76), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-10 04:09:20,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:09:20,401 INFO L93 Difference]: Finished difference Result 178 states and 310 transitions. [2024-11-10 04:09:20,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 04:09:20,405 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 206 [2024-11-10 04:09:20,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:09:20,411 INFO L225 Difference]: With dead ends: 178 [2024-11-10 04:09:20,413 INFO L226 Difference]: Without dead ends: 88 [2024-11-10 04:09:20,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 04:09:20,420 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 04:09:20,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 04:09:20,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-10 04:09:20,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-10 04:09:20,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 53 states have internal predecessors, (68), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 04:09:20,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2024-11-10 04:09:20,464 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 206 [2024-11-10 04:09:20,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:09:20,465 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2024-11-10 04:09:20,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-10 04:09:20,465 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2024-11-10 04:09:20,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-10 04:09:20,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:09:20,470 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:09:20,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 04:09:20,471 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:09:20,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:09:20,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1785315962, now seen corresponding path program 1 times [2024-11-10 04:09:20,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:09:20,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831990130] [2024-11-10 04:09:20,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:09:20,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:09:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:09:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:09:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:09:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:09:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:09:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:09:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:09:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:09:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:09:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:09:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:09:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:09:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:09:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:09:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:09:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:09:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:09:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:09:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:09:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:09:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:09:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:09:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:09:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:09:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:09:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:09:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:09:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:09:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:09:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 04:09:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:09:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 04:09:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:09:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:32,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 04:09:32,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:09:32,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831990130] [2024-11-10 04:09:32,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831990130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:09:32,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:09:32,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 04:09:32,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662394501] [2024-11-10 04:09:32,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:09:32,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 04:09:32,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:09:32,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 04:09:32,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-10 04:09:32,665 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 04:09:36,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:09:36,048 INFO L93 Difference]: Finished difference Result 377 states and 560 transitions. [2024-11-10 04:09:36,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 04:09:36,048 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 206 [2024-11-10 04:09:36,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:09:36,059 INFO L225 Difference]: With dead ends: 377 [2024-11-10 04:09:36,059 INFO L226 Difference]: Without dead ends: 292 [2024-11-10 04:09:36,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-10 04:09:36,061 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 770 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 770 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 04:09:36,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [770 Valid, 643 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 04:09:36,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-10 04:09:36,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 161. [2024-11-10 04:09:36,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 92 states have (on average 1.2608695652173914) internal successors, (116), 92 states have internal predecessors, (116), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-10 04:09:36,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 248 transitions. [2024-11-10 04:09:36,146 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 248 transitions. Word has length 206 [2024-11-10 04:09:36,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:09:36,147 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 248 transitions. [2024-11-10 04:09:36,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 04:09:36,147 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 248 transitions. [2024-11-10 04:09:36,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-10 04:09:36,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:09:36,156 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:09:36,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 04:09:36,156 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:09:36,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:09:36,157 INFO L85 PathProgramCache]: Analyzing trace with hash 712699975, now seen corresponding path program 1 times [2024-11-10 04:09:36,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:09:36,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809759157] [2024-11-10 04:09:36,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:09:36,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:09:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:09:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:09:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:09:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:09:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:09:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:09:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:09:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:09:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:09:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:09:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:09:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:09:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:09:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:09:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:09:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:09:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:09:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:09:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:09:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:09:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:09:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:09:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:09:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:09:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:09:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:09:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:09:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:09:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:09:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 04:09:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:09:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 04:09:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:09:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:36,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 04:09:36,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:09:36,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809759157] [2024-11-10 04:09:36,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809759157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:09:36,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:09:36,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 04:09:36,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053290407] [2024-11-10 04:09:36,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:09:36,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 04:09:36,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:09:36,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 04:09:36,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 04:09:36,645 INFO L87 Difference]: Start difference. First operand 161 states and 248 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 04:09:36,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:09:36,755 INFO L93 Difference]: Finished difference Result 283 states and 430 transitions. [2024-11-10 04:09:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 04:09:36,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 206 [2024-11-10 04:09:36,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:09:36,758 INFO L225 Difference]: With dead ends: 283 [2024-11-10 04:09:36,758 INFO L226 Difference]: Without dead ends: 198 [2024-11-10 04:09:36,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 04:09:36,760 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 44 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 04:09:36,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 388 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 04:09:36,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-10 04:09:36,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 194. [2024-11-10 04:09:36,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 120 states have (on average 1.275) internal successors, (153), 121 states have internal predecessors, (153), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-10 04:09:36,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 293 transitions. [2024-11-10 04:09:36,797 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 293 transitions. Word has length 206 [2024-11-10 04:09:36,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:09:36,798 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 293 transitions. [2024-11-10 04:09:36,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 04:09:36,799 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 293 transitions. [2024-11-10 04:09:36,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-10 04:09:36,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:09:36,804 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:09:36,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 04:09:36,805 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:09:36,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:09:36,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1656233243, now seen corresponding path program 1 times [2024-11-10 04:09:36,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:09:36,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365923037] [2024-11-10 04:09:36,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:09:36,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:09:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:09:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:09:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:09:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:09:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:09:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:09:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:09:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:09:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:09:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:09:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:09:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:09:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:09:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:09:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:09:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:09:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:09:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:09:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:09:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:09:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:09:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:09:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:09:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:09:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:09:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:09:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:09:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:09:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:09:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 04:09:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:09:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 04:09:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:09:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:45,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 04:09:45,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:09:45,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365923037] [2024-11-10 04:09:45,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365923037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:09:45,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:09:45,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 04:09:45,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540549290] [2024-11-10 04:09:45,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:09:45,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 04:09:45,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:09:45,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 04:09:45,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-10 04:09:45,525 INFO L87 Difference]: Start difference. First operand 194 states and 293 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 04:09:46,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:09:46,101 INFO L93 Difference]: Finished difference Result 356 states and 527 transitions. [2024-11-10 04:09:46,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 04:09:46,102 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 206 [2024-11-10 04:09:46,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:09:46,106 INFO L225 Difference]: With dead ends: 356 [2024-11-10 04:09:46,108 INFO L226 Difference]: Without dead ends: 238 [2024-11-10 04:09:46,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-10 04:09:46,114 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 128 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 04:09:46,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 450 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 04:09:46,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-10 04:09:46,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 131. [2024-11-10 04:09:46,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 92 states have internal predecessors, (120), 37 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 04:09:46,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 194 transitions. [2024-11-10 04:09:46,135 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 194 transitions. Word has length 206 [2024-11-10 04:09:46,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:09:46,135 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 194 transitions. [2024-11-10 04:09:46,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 04:09:46,136 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 194 transitions. [2024-11-10 04:09:46,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-10 04:09:46,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:09:46,138 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:09:46,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 04:09:46,139 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:09:46,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:09:46,139 INFO L85 PathProgramCache]: Analyzing trace with hash -2078718969, now seen corresponding path program 1 times [2024-11-10 04:09:46,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:09:46,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997208851] [2024-11-10 04:09:46,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:09:46,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:09:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:46,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:09:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:46,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:09:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:46,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:09:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:46,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:09:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:46,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:09:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:46,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:09:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:46,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:09:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:46,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:09:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:46,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:09:46,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:09:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:09:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:09:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:09:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:09:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:09:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:09:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:09:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:09:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:09:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:09:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:09:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:09:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:09:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:09:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:09:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:09:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:09:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:09:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:09:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 04:09:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:09:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 04:09:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:09:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:47,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 04:09:47,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:09:47,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997208851] [2024-11-10 04:09:47,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997208851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:09:47,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:09:47,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 04:09:47,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877133189] [2024-11-10 04:09:47,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:09:47,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 04:09:47,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:09:47,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 04:09:47,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-10 04:09:47,132 INFO L87 Difference]: Start difference. First operand 131 states and 194 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-10 04:09:48,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:09:48,079 INFO L93 Difference]: Finished difference Result 478 states and 704 transitions. [2024-11-10 04:09:48,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 04:09:48,087 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 206 [2024-11-10 04:09:48,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:09:48,089 INFO L225 Difference]: With dead ends: 478 [2024-11-10 04:09:48,089 INFO L226 Difference]: Without dead ends: 350 [2024-11-10 04:09:48,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-10 04:09:48,091 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 348 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 04:09:48,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 674 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 04:09:48,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-10 04:09:48,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 198. [2024-11-10 04:09:48,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 124 states have (on average 1.2741935483870968) internal successors, (158), 125 states have internal predecessors, (158), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-10 04:09:48,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 298 transitions. [2024-11-10 04:09:48,161 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 298 transitions. Word has length 206 [2024-11-10 04:09:48,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:09:48,161 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 298 transitions. [2024-11-10 04:09:48,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-10 04:09:48,165 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 298 transitions. [2024-11-10 04:09:48,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-10 04:09:48,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:09:48,167 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:09:48,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 04:09:48,167 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:09:48,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:09:48,168 INFO L85 PathProgramCache]: Analyzing trace with hash -571167160, now seen corresponding path program 1 times [2024-11-10 04:09:48,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:09:48,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700283563] [2024-11-10 04:09:48,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:09:48,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:09:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:09:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:09:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:09:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:09:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:09:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:09:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:09:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:09:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:09:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:09:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:09:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:09:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:09:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:09:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:09:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:09:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:09:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:09:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:09:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:09:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:09:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:09:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:09:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:09:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:09:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:09:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:09:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:09:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:09:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 04:09:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:09:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 04:09:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:09:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:48,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 04:09:48,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:09:48,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700283563] [2024-11-10 04:09:48,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700283563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:09:48,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:09:48,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 04:09:48,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218132091] [2024-11-10 04:09:48,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:09:48,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 04:09:48,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:09:48,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 04:09:48,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 04:09:48,914 INFO L87 Difference]: Start difference. First operand 198 states and 298 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 04:09:49,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:09:49,252 INFO L93 Difference]: Finished difference Result 382 states and 568 transitions. [2024-11-10 04:09:49,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 04:09:49,256 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 206 [2024-11-10 04:09:49,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:09:49,258 INFO L225 Difference]: With dead ends: 382 [2024-11-10 04:09:49,258 INFO L226 Difference]: Without dead ends: 254 [2024-11-10 04:09:49,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-10 04:09:49,263 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 151 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 04:09:49,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 471 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 04:09:49,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-10 04:09:49,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 198. [2024-11-10 04:09:49,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 124 states have (on average 1.2741935483870968) internal successors, (158), 125 states have internal predecessors, (158), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-10 04:09:49,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 298 transitions. [2024-11-10 04:09:49,301 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 298 transitions. Word has length 206 [2024-11-10 04:09:49,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:09:49,302 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 298 transitions. [2024-11-10 04:09:49,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 04:09:49,302 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 298 transitions. [2024-11-10 04:09:49,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-10 04:09:49,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:09:49,303 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:09:49,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 04:09:49,304 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:09:49,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:09:49,304 INFO L85 PathProgramCache]: Analyzing trace with hash 165825143, now seen corresponding path program 1 times [2024-11-10 04:09:49,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:09:49,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863187452] [2024-11-10 04:09:49,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:09:49,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:09:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:09:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:09:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:09:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:09:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:09:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:09:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:09:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:09:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:09:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:09:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:09:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:09:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:09:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:09:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:09:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:09:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:09:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:09:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:09:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:09:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:09:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:09:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:09:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:09:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:09:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:09:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:09:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:09:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:09:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 04:09:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:09:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 04:09:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:09:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:53,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 04:09:53,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:09:53,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863187452] [2024-11-10 04:09:53,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863187452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:09:53,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:09:53,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 04:09:53,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030806494] [2024-11-10 04:09:53,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:09:53,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 04:09:53,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:09:53,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 04:09:53,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-10 04:09:53,361 INFO L87 Difference]: Start difference. First operand 198 states and 298 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 04:09:53,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:09:53,885 INFO L93 Difference]: Finished difference Result 478 states and 697 transitions. [2024-11-10 04:09:53,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 04:09:53,886 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 207 [2024-11-10 04:09:53,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:09:53,888 INFO L225 Difference]: With dead ends: 478 [2024-11-10 04:09:53,888 INFO L226 Difference]: Without dead ends: 350 [2024-11-10 04:09:53,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-10 04:09:53,889 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 166 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 04:09:53,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 567 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 04:09:53,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-10 04:09:53,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 206. [2024-11-10 04:09:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 132 states have (on average 1.2954545454545454) internal successors, (171), 133 states have internal predecessors, (171), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-10 04:09:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 311 transitions. [2024-11-10 04:09:53,906 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 311 transitions. Word has length 207 [2024-11-10 04:09:53,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:09:53,906 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 311 transitions. [2024-11-10 04:09:53,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 04:09:53,906 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 311 transitions. [2024-11-10 04:09:53,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-10 04:09:53,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:09:53,908 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:09:53,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 04:09:53,908 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:09:53,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:09:53,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1631126216, now seen corresponding path program 1 times [2024-11-10 04:09:53,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:09:53,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605055674] [2024-11-10 04:09:53,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:09:53,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:09:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:09:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:09:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:09:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:09:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:09:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:09:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:09:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:09:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:09:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:09:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:09:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:09:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:09:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:09:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:09:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:09:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:09:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:09:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:09:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:09:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:09:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:09:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:09:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:09:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:09:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:09:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:09:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:09:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:09:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 04:09:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:09:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 04:09:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:09:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:09:59,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 04:09:59,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:09:59,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605055674] [2024-11-10 04:09:59,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605055674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:09:59,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:09:59,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 04:09:59,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869228843] [2024-11-10 04:09:59,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:09:59,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 04:09:59,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:09:59,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 04:09:59,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-10 04:09:59,802 INFO L87 Difference]: Start difference. First operand 206 states and 311 transitions. Second operand has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-10 04:10:01,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:10:01,735 INFO L93 Difference]: Finished difference Result 526 states and 767 transitions. [2024-11-10 04:10:01,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 04:10:01,736 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 207 [2024-11-10 04:10:01,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:10:01,738 INFO L225 Difference]: With dead ends: 526 [2024-11-10 04:10:01,738 INFO L226 Difference]: Without dead ends: 393 [2024-11-10 04:10:01,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2024-11-10 04:10:01,739 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 407 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 04:10:01,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 847 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 04:10:01,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-10 04:10:01,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 218. [2024-11-10 04:10:01,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 144 states have (on average 1.3055555555555556) internal successors, (188), 145 states have internal predecessors, (188), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-10 04:10:01,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 328 transitions. [2024-11-10 04:10:01,758 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 328 transitions. Word has length 207 [2024-11-10 04:10:01,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:10:01,758 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 328 transitions. [2024-11-10 04:10:01,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-10 04:10:01,759 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 328 transitions. [2024-11-10 04:10:01,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-10 04:10:01,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:10:01,760 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:10:01,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 04:10:01,761 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:10:01,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:10:01,761 INFO L85 PathProgramCache]: Analyzing trace with hash 294907862, now seen corresponding path program 1 times [2024-11-10 04:10:01,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:10:01,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067810944] [2024-11-10 04:10:01,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:10:01,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:10:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:10:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:10:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:10:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:10:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:10:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:10:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:10:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:10:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:10:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:10:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:10:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:10:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:10:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:10:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:10:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:10:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:10:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:10:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:10:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:10:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:10:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:10:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:10:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:10:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:10:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:10:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:10:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:10:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:10:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 04:10:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:10:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 04:10:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:10:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:08,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 04:10:08,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:10:08,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067810944] [2024-11-10 04:10:08,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067810944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:10:08,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:10:08,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 04:10:08,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090504377] [2024-11-10 04:10:08,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:10:08,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 04:10:08,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:10:08,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 04:10:08,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-10 04:10:08,132 INFO L87 Difference]: Start difference. First operand 218 states and 328 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 04:10:08,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:10:08,549 INFO L93 Difference]: Finished difference Result 447 states and 658 transitions. [2024-11-10 04:10:08,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 04:10:08,550 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 207 [2024-11-10 04:10:08,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:10:08,552 INFO L225 Difference]: With dead ends: 447 [2024-11-10 04:10:08,552 INFO L226 Difference]: Without dead ends: 314 [2024-11-10 04:10:08,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-10 04:10:08,553 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 298 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 04:10:08,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 372 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 04:10:08,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-10 04:10:08,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 218. [2024-11-10 04:10:08,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 144 states have (on average 1.3055555555555556) internal successors, (188), 145 states have internal predecessors, (188), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-10 04:10:08,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 328 transitions. [2024-11-10 04:10:08,572 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 328 transitions. Word has length 207 [2024-11-10 04:10:08,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:10:08,572 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 328 transitions. [2024-11-10 04:10:08,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 04:10:08,572 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 328 transitions. [2024-11-10 04:10:08,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-10 04:10:08,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:10:08,573 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:10:08,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 04:10:08,574 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:10:08,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:10:08,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1502043497, now seen corresponding path program 1 times [2024-11-10 04:10:08,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:10:08,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711007274] [2024-11-10 04:10:08,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:10:08,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:10:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:10:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:10:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:10:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:10:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:10:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:10:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:10:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:10:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:10:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:10:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:10:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:10:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:10:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:10:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:10:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:10:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:10:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:10:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:10:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:10:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:10:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:10:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:10:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:10:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:10:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:10:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:10:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:10:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:10:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 04:10:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:10:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 04:10:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:10:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:17,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 04:10:17,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:10:17,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711007274] [2024-11-10 04:10:17,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711007274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:10:17,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:10:17,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 04:10:17,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421459406] [2024-11-10 04:10:17,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:10:17,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 04:10:17,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:10:17,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 04:10:17,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-10 04:10:17,706 INFO L87 Difference]: Start difference. First operand 218 states and 328 transitions. Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 04:10:20,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:10:20,102 INFO L93 Difference]: Finished difference Result 446 states and 657 transitions. [2024-11-10 04:10:20,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 04:10:20,107 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 207 [2024-11-10 04:10:20,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:10:20,108 INFO L225 Difference]: With dead ends: 446 [2024-11-10 04:10:20,109 INFO L226 Difference]: Without dead ends: 313 [2024-11-10 04:10:20,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-11-10 04:10:20,110 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 172 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 04:10:20,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 804 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 04:10:20,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-10 04:10:20,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 216. [2024-11-10 04:10:20,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 142 states have (on average 1.3098591549295775) internal successors, (186), 143 states have internal predecessors, (186), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-10 04:10:20,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 326 transitions. [2024-11-10 04:10:20,134 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 326 transitions. Word has length 207 [2024-11-10 04:10:20,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:10:20,134 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 326 transitions. [2024-11-10 04:10:20,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 04:10:20,134 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 326 transitions. [2024-11-10 04:10:20,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-10 04:10:20,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:10:20,135 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:10:20,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 04:10:20,136 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:10:20,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:10:20,136 INFO L85 PathProgramCache]: Analyzing trace with hash -344709034, now seen corresponding path program 1 times [2024-11-10 04:10:20,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:10:20,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000544492] [2024-11-10 04:10:20,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:10:20,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:10:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:10:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:10:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:10:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:10:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:10:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:10:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:10:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:10:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:10:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:10:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:10:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:10:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:10:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:10:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:10:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:10:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:10:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:10:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:10:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:10:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:10:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:10:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:10:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:10:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:10:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:10:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:10:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:10:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:10:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 04:10:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:10:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 04:10:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:10:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:20,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 04:10:20,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:10:20,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000544492] [2024-11-10 04:10:20,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000544492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:10:20,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:10:20,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 04:10:20,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720068346] [2024-11-10 04:10:20,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:10:20,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 04:10:20,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:10:20,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 04:10:20,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 04:10:20,322 INFO L87 Difference]: Start difference. First operand 216 states and 326 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 04:10:20,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:10:20,390 INFO L93 Difference]: Finished difference Result 377 states and 559 transitions. [2024-11-10 04:10:20,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 04:10:20,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 207 [2024-11-10 04:10:20,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:10:20,393 INFO L225 Difference]: With dead ends: 377 [2024-11-10 04:10:20,393 INFO L226 Difference]: Without dead ends: 244 [2024-11-10 04:10:20,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 04:10:20,394 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 63 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 04:10:20,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 391 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 04:10:20,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-10 04:10:20,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 202. [2024-11-10 04:10:20,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 131 states have (on average 1.3053435114503817) internal successors, (171), 131 states have internal predecessors, (171), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-10 04:10:20,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 303 transitions. [2024-11-10 04:10:20,411 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 303 transitions. Word has length 207 [2024-11-10 04:10:20,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:10:20,411 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 303 transitions. [2024-11-10 04:10:20,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 04:10:20,412 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 303 transitions. [2024-11-10 04:10:20,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-10 04:10:20,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:10:20,412 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:10:20,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 04:10:20,413 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:10:20,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:10:20,413 INFO L85 PathProgramCache]: Analyzing trace with hash -2141660393, now seen corresponding path program 1 times [2024-11-10 04:10:20,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:10:20,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818360895] [2024-11-10 04:10:20,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:10:20,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:10:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:10:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:10:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:10:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:10:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:10:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:10:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:10:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:10:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:10:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:10:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:10:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:10:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:10:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:10:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:10:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:10:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:10:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:10:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:10:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:10:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:10:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:10:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:10:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:10:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:10:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:10:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:10:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:10:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:10:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 04:10:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:10:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 04:10:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:10:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 04:10:28,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:10:28,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818360895] [2024-11-10 04:10:28,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818360895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:10:28,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:10:28,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 04:10:28,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861114304] [2024-11-10 04:10:28,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:10:28,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 04:10:28,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:10:28,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 04:10:28,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-10 04:10:28,854 INFO L87 Difference]: Start difference. First operand 202 states and 303 transitions. Second operand has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-10 04:10:30,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:10:30,927 INFO L93 Difference]: Finished difference Result 387 states and 566 transitions. [2024-11-10 04:10:30,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 04:10:30,927 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 207 [2024-11-10 04:10:30,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:10:30,929 INFO L225 Difference]: With dead ends: 387 [2024-11-10 04:10:30,929 INFO L226 Difference]: Without dead ends: 270 [2024-11-10 04:10:30,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2024-11-10 04:10:30,931 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 185 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 04:10:30,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 849 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 04:10:30,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-10 04:10:30,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 204. [2024-11-10 04:10:30,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 133 states have (on average 1.3082706766917294) internal successors, (174), 133 states have internal predecessors, (174), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-10 04:10:30,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 306 transitions. [2024-11-10 04:10:30,948 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 306 transitions. Word has length 207 [2024-11-10 04:10:30,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:10:30,948 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 306 transitions. [2024-11-10 04:10:30,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-10 04:10:30,948 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 306 transitions. [2024-11-10 04:10:30,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-10 04:10:30,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:10:30,949 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:10:30,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 04:10:30,950 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:10:30,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:10:30,950 INFO L85 PathProgramCache]: Analyzing trace with hash -2012577674, now seen corresponding path program 1 times [2024-11-10 04:10:30,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:10:30,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179404582] [2024-11-10 04:10:30,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:10:30,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:10:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:10:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:10:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:10:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:10:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:10:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:10:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:10:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:10:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:10:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:10:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:10:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:10:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:10:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:10:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:10:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:10:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:10:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:10:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:10:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:10:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:10:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:10:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:10:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:10:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:10:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:10:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:10:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:10:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:10:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 04:10:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:10:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 04:10:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:10:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:37,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 04:10:37,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:10:37,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179404582] [2024-11-10 04:10:37,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179404582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:10:37,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:10:37,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 04:10:37,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336447269] [2024-11-10 04:10:37,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:10:37,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 04:10:37,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:10:37,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 04:10:37,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-10 04:10:37,977 INFO L87 Difference]: Start difference. First operand 204 states and 306 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 04:10:38,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:10:38,627 INFO L93 Difference]: Finished difference Result 373 states and 550 transitions. [2024-11-10 04:10:38,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 04:10:38,627 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 207 [2024-11-10 04:10:38,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:10:38,630 INFO L225 Difference]: With dead ends: 373 [2024-11-10 04:10:38,630 INFO L226 Difference]: Without dead ends: 256 [2024-11-10 04:10:38,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-10 04:10:38,633 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 166 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 04:10:38,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 417 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 04:10:38,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-10 04:10:38,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 204. [2024-11-10 04:10:38,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 133 states have (on average 1.3082706766917294) internal successors, (174), 133 states have internal predecessors, (174), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-10 04:10:38,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 306 transitions. [2024-11-10 04:10:38,652 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 306 transitions. Word has length 207 [2024-11-10 04:10:38,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:10:38,652 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 306 transitions. [2024-11-10 04:10:38,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 04:10:38,653 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 306 transitions. [2024-11-10 04:10:38,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-10 04:10:38,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:10:38,653 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:10:38,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 04:10:38,654 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:10:38,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:10:38,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1845265592, now seen corresponding path program 1 times [2024-11-10 04:10:38,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:10:38,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009211098] [2024-11-10 04:10:38,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:10:38,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:10:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat