./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-86.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_fillercodestructure_filler-ps-cn_file-86.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 23a05992f4024df2d983a8fb4ad6ac19034ad7c6bce98692b4d6369898cca580 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 06:15:17,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 06:15:17,186 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 06:15:17,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 06:15:17,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 06:15:17,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 06:15:17,225 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 06:15:17,226 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 06:15:17,226 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 06:15:17,228 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 06:15:17,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 06:15:17,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 06:15:17,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 06:15:17,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 06:15:17,231 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 06:15:17,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 06:15:17,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 06:15:17,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 06:15:17,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 06:15:17,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 06:15:17,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 06:15:17,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 06:15:17,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 06:15:17,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 06:15:17,237 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 06:15:17,237 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 06:15:17,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 06:15:17,238 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 06:15:17,238 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 06:15:17,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 06:15:17,239 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 06:15:17,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 06:15:17,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:15:17,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 06:15:17,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 06:15:17,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 06:15:17,241 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 06:15:17,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 06:15:17,242 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 06:15:17,242 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 06:15:17,243 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 06:15:17,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 06:15:17,244 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23a05992f4024df2d983a8fb4ad6ac19034ad7c6bce98692b4d6369898cca580 [2024-11-10 06:15:17,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 06:15:17,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 06:15:17,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 06:15:17,546 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 06:15:17,547 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 06:15:17,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-86.i [2024-11-10 06:15:19,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 06:15:19,291 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 06:15:19,292 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-86.i [2024-11-10 06:15:19,306 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11e9d1096/ac55791cf0024fed932a5e620350c037/FLAG704fbf46e [2024-11-10 06:15:19,628 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11e9d1096/ac55791cf0024fed932a5e620350c037 [2024-11-10 06:15:19,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 06:15:19,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 06:15:19,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 06:15:19,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 06:15:19,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 06:15:19,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:15:19" (1/1) ... [2024-11-10 06:15:19,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69cc97c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:19, skipping insertion in model container [2024-11-10 06:15:19,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:15:19" (1/1) ... [2024-11-10 06:15:19,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 06:15:19,846 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_fillercodestructure_filler-ps-cn_file-86.i[919,932] [2024-11-10 06:15:19,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:15:19,959 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 06:15:19,973 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_fillercodestructure_filler-ps-cn_file-86.i[919,932] [2024-11-10 06:15:20,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:15:20,029 INFO L204 MainTranslator]: Completed translation [2024-11-10 06:15:20,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:20 WrapperNode [2024-11-10 06:15:20,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 06:15:20,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 06:15:20,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 06:15:20,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 06:15:20,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:20" (1/1) ... [2024-11-10 06:15:20,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:20" (1/1) ... [2024-11-10 06:15:20,109 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 247 [2024-11-10 06:15:20,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 06:15:20,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 06:15:20,111 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 06:15:20,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 06:15:20,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:20" (1/1) ... [2024-11-10 06:15:20,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:20" (1/1) ... [2024-11-10 06:15:20,136 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:20" (1/1) ... [2024-11-10 06:15:20,174 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 06:15:20,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:20" (1/1) ... [2024-11-10 06:15:20,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:20" (1/1) ... [2024-11-10 06:15:20,190 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:20" (1/1) ... [2024-11-10 06:15:20,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:20" (1/1) ... [2024-11-10 06:15:20,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:20" (1/1) ... [2024-11-10 06:15:20,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:20" (1/1) ... [2024-11-10 06:15:20,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 06:15:20,201 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 06:15:20,201 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 06:15:20,201 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 06:15:20,202 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:20" (1/1) ... [2024-11-10 06:15:20,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:15:20,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:15:20,244 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 06:15:20,247 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 06:15:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 06:15:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 06:15:20,315 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 06:15:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 06:15:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 06:15:20,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 06:15:20,456 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 06:15:20,460 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 06:15:21,006 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-10 06:15:21,006 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 06:15:21,037 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 06:15:21,037 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 06:15:21,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:15:21 BoogieIcfgContainer [2024-11-10 06:15:21,038 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 06:15:21,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 06:15:21,041 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 06:15:21,045 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 06:15:21,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:15:19" (1/3) ... [2024-11-10 06:15:21,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d681991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:15:21, skipping insertion in model container [2024-11-10 06:15:21,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:15:20" (2/3) ... [2024-11-10 06:15:21,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d681991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:15:21, skipping insertion in model container [2024-11-10 06:15:21,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:15:21" (3/3) ... [2024-11-10 06:15:21,050 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-86.i [2024-11-10 06:15:21,068 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 06:15:21,069 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 06:15:21,132 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 06:15:21,139 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;@38b98465, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 06:15:21,139 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 06:15:21,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 73 states have (on average 1.452054794520548) internal successors, (106), 74 states have internal predecessors, (106), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 06:15:21,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 06:15:21,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:15:21,165 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:21,166 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:15:21,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:15:21,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1937826224, now seen corresponding path program 1 times [2024-11-10 06:15:21,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:15:21,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521258279] [2024-11-10 06:15:21,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:15:21,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:15:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:15:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:15:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:15:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:15:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:15:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:15:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:15:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:15:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:15:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:15:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:15:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:15:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:15:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:15:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:15:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:15:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:15:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:15:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:15:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:15:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:15:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:15:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:15:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:15:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:15:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:15:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:15:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 06:15:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 06:15:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 06:15:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 06:15:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 06:15:21,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:15:21,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521258279] [2024-11-10 06:15:21,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521258279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:15:21,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:15:21,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 06:15:21,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543178765] [2024-11-10 06:15:21,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:15:21,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 06:15:21,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:15:21,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 06:15:21,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:15:21,788 INFO L87 Difference]: Start difference. First operand has 107 states, 73 states have (on average 1.452054794520548) internal successors, (106), 74 states have internal predecessors, (106), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 06:15:21,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:15:21,846 INFO L93 Difference]: Finished difference Result 206 states and 360 transitions. [2024-11-10 06:15:21,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 06:15:21,852 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 199 [2024-11-10 06:15:21,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:15:21,859 INFO L225 Difference]: With dead ends: 206 [2024-11-10 06:15:21,859 INFO L226 Difference]: Without dead ends: 102 [2024-11-10 06:15:21,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 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 06:15:21,866 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:15:21,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:15:21,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-10 06:15:21,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-10 06:15:21,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 69 states have (on average 1.4057971014492754) internal successors, (97), 69 states have internal predecessors, (97), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 06:15:21,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 159 transitions. [2024-11-10 06:15:21,916 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 159 transitions. Word has length 199 [2024-11-10 06:15:21,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:15:21,916 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 159 transitions. [2024-11-10 06:15:21,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 06:15:21,917 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 159 transitions. [2024-11-10 06:15:21,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 06:15:21,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:15:21,921 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:21,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 06:15:21,922 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:15:21,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:15:21,923 INFO L85 PathProgramCache]: Analyzing trace with hash -895758865, now seen corresponding path program 1 times [2024-11-10 06:15:21,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:15:21,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040109509] [2024-11-10 06:15:21,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:15:21,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:15:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:15:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:15:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:15:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:15:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:15:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:15:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:15:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:15:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:15:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:15:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:15:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:15:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:15:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:15:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:15:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:15:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:15:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:15:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:15:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:15:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:15:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:15:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:15:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:15:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:15:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:15:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:15:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 06:15:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 06:15:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 06:15:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 06:15:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 06:15:22,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:15:22,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040109509] [2024-11-10 06:15:22,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040109509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:15:22,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:15:22,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:15:22,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782764728] [2024-11-10 06:15:22,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:15:22,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:15:22,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:15:22,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:15:22,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:15:22,486 INFO L87 Difference]: Start difference. First operand 102 states and 159 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 06:15:22,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:15:22,524 INFO L93 Difference]: Finished difference Result 202 states and 317 transitions. [2024-11-10 06:15:22,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:15:22,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-11-10 06:15:22,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:15:22,528 INFO L225 Difference]: With dead ends: 202 [2024-11-10 06:15:22,528 INFO L226 Difference]: Without dead ends: 103 [2024-11-10 06:15:22,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:15:22,534 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:15:22,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 303 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:15:22,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-10 06:15:22,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-10 06:15:22,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 70 states have (on average 1.4) internal successors, (98), 70 states have internal predecessors, (98), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 06:15:22,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 160 transitions. [2024-11-10 06:15:22,563 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 160 transitions. Word has length 199 [2024-11-10 06:15:22,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:15:22,567 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 160 transitions. [2024-11-10 06:15:22,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 06:15:22,568 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2024-11-10 06:15:22,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 06:15:22,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:15:22,571 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:22,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 06:15:22,571 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:15:22,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:15:22,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1740230736, now seen corresponding path program 1 times [2024-11-10 06:15:22,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:15:22,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92854779] [2024-11-10 06:15:22,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:15:22,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:15:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:15:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:15:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:15:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:15:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:15:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:15:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:15:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:15:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:15:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:15:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:15:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:15:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:15:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:15:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:15:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:15:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:15:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:15:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:15:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:15:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:15:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:15:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:15:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:15:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:15:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:15:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:15:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 06:15:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 06:15:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 06:15:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:22,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 06:15:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:23,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 06:15:23,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:15:23,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92854779] [2024-11-10 06:15:23,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92854779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:15:23,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:15:23,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:15:23,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559610687] [2024-11-10 06:15:23,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:15:23,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:15:23,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:15:23,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:15:23,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:15:23,004 INFO L87 Difference]: Start difference. First operand 103 states and 160 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 06:15:23,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:15:23,326 INFO L93 Difference]: Finished difference Result 305 states and 476 transitions. [2024-11-10 06:15:23,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 06:15:23,327 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-11-10 06:15:23,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:15:23,331 INFO L225 Difference]: With dead ends: 305 [2024-11-10 06:15:23,331 INFO L226 Difference]: Without dead ends: 205 [2024-11-10 06:15:23,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 06:15:23,333 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 154 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 06:15:23,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 527 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 06:15:23,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-10 06:15:23,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 183. [2024-11-10 06:15:23,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 118 states have (on average 1.38135593220339) internal successors, (163), 118 states have internal predecessors, (163), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 06:15:23,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 287 transitions. [2024-11-10 06:15:23,373 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 287 transitions. Word has length 199 [2024-11-10 06:15:23,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:15:23,375 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 287 transitions. [2024-11-10 06:15:23,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 06:15:23,376 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 287 transitions. [2024-11-10 06:15:23,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 06:15:23,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:15:23,378 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:23,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 06:15:23,379 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:15:23,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:15:23,383 INFO L85 PathProgramCache]: Analyzing trace with hash -232678927, now seen corresponding path program 1 times [2024-11-10 06:15:23,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:15:23,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177700894] [2024-11-10 06:15:23,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:15:23,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:15:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:15:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:15:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:15:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:15:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:15:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:15:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:15:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:15:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:15:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:15:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:15:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:15:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:15:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:15:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:15:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:15:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:15:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:15:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:15:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:15:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:15:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:15:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:15:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:15:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:15:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:15:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:15:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 06:15:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 06:15:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 06:15:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 06:15:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:30,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 06:15:30,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:15:30,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177700894] [2024-11-10 06:15:30,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177700894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:15:30,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:15:30,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 06:15:30,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781328889] [2024-11-10 06:15:30,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:15:30,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 06:15:30,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:15:30,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 06:15:30,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-10 06:15:30,954 INFO L87 Difference]: Start difference. First operand 183 states and 287 transitions. Second operand has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 06:15:34,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:15:34,650 INFO L93 Difference]: Finished difference Result 368 states and 559 transitions. [2024-11-10 06:15:34,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 06:15:34,651 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-11-10 06:15:34,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:15:34,657 INFO L225 Difference]: With dead ends: 368 [2024-11-10 06:15:34,660 INFO L226 Difference]: Without dead ends: 268 [2024-11-10 06:15:34,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2024-11-10 06:15:34,663 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 310 mSDsluCounter, 1138 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1281 SdHoareTripleChecker+Invalid, 890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-10 06:15:34,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1281 Invalid, 890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-10 06:15:34,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-10 06:15:34,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 200. [2024-11-10 06:15:34,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 135 states have (on average 1.3777777777777778) internal successors, (186), 135 states have internal predecessors, (186), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 06:15:34,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 310 transitions. [2024-11-10 06:15:34,707 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 310 transitions. Word has length 199 [2024-11-10 06:15:34,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:15:34,708 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 310 transitions. [2024-11-10 06:15:34,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 06:15:34,709 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 310 transitions. [2024-11-10 06:15:34,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 06:15:34,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:15:34,712 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:34,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 06:15:34,713 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:15:34,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:15:34,714 INFO L85 PathProgramCache]: Analyzing trace with hash -103596208, now seen corresponding path program 1 times [2024-11-10 06:15:34,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:15:34,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309745804] [2024-11-10 06:15:34,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:15:34,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:15:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:15:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:15:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:15:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:15:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:15:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:15:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:15:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:15:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:15:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:15:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:15:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:15:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:15:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:15:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:15:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:15:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:15:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:15:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:15:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:15:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:15:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:15:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:15:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:15:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:15:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:15:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:15:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 06:15:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 06:15:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 06:15:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 06:15:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:34,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 06:15:34,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:15:34,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309745804] [2024-11-10 06:15:34,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309745804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:15:34,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:15:34,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:15:34,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412717120] [2024-11-10 06:15:34,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:15:34,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:15:34,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:15:34,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:15:34,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:15:34,855 INFO L87 Difference]: Start difference. First operand 200 states and 310 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 06:15:34,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:15:34,914 INFO L93 Difference]: Finished difference Result 399 states and 622 transitions. [2024-11-10 06:15:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:15:34,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-11-10 06:15:34,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:15:34,921 INFO L225 Difference]: With dead ends: 399 [2024-11-10 06:15:34,921 INFO L226 Difference]: Without dead ends: 299 [2024-11-10 06:15:34,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:15:34,923 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 151 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:15:34,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 311 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:15:34,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-10 06:15:34,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 296. [2024-11-10 06:15:34,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 199 states have (on average 1.3768844221105527) internal successors, (274), 199 states have internal predecessors, (274), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 06:15:34,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 460 transitions. [2024-11-10 06:15:34,960 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 460 transitions. Word has length 199 [2024-11-10 06:15:34,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:15:34,960 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 460 transitions. [2024-11-10 06:15:34,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 06:15:34,961 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 460 transitions. [2024-11-10 06:15:34,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 06:15:34,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:15:34,963 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:34,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 06:15:34,964 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:15:34,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:15:34,964 INFO L85 PathProgramCache]: Analyzing trace with hash -196402473, now seen corresponding path program 1 times [2024-11-10 06:15:34,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:15:34,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799333116] [2024-11-10 06:15:34,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:15:34,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:15:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:15:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:15:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:15:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:15:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:15:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:15:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:15:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:15:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:15:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:15:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:15:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:15:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:15:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:15:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:15:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:15:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:15:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:15:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:15:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:15:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:15:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:15:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:15:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:15:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:15:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:15:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:15:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 06:15:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 06:15:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 06:15:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 06:15:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:39,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 06:15:39,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:15:39,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799333116] [2024-11-10 06:15:39,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799333116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:15:39,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:15:39,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 06:15:39,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347087628] [2024-11-10 06:15:39,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:15:39,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 06:15:39,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:15:39,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 06:15:39,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-10 06:15:39,334 INFO L87 Difference]: Start difference. First operand 296 states and 460 transitions. Second operand has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 06:15:40,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:15:40,391 INFO L93 Difference]: Finished difference Result 355 states and 527 transitions. [2024-11-10 06:15:40,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 06:15:40,392 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2024-11-10 06:15:40,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:15:40,395 INFO L225 Difference]: With dead ends: 355 [2024-11-10 06:15:40,395 INFO L226 Difference]: Without dead ends: 352 [2024-11-10 06:15:40,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2024-11-10 06:15:40,397 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 316 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 06:15:40,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 1128 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 06:15:40,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-10 06:15:40,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 297. [2024-11-10 06:15:40,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 200 states have (on average 1.375) internal successors, (275), 200 states have internal predecessors, (275), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 06:15:40,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 461 transitions. [2024-11-10 06:15:40,427 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 461 transitions. Word has length 200 [2024-11-10 06:15:40,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:15:40,428 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 461 transitions. [2024-11-10 06:15:40,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 06:15:40,428 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 461 transitions. [2024-11-10 06:15:40,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 06:15:40,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:15:40,431 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:40,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 06:15:40,432 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:15:40,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:15:40,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1274270662, now seen corresponding path program 1 times [2024-11-10 06:15:40,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:15:40,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033842461] [2024-11-10 06:15:40,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:15:40,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:15:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:15:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:15:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:15:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:15:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:15:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:15:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:15:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:15:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:15:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:15:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:15:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:15:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:15:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:15:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:15:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:15:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:15:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:15:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:15:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:15:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:15:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:15:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:15:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:15:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:15:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:15:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:15:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 06:15:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 06:15:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 06:15:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 06:15:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 06:15:40,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:15:40,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033842461] [2024-11-10 06:15:40,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033842461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:15:40,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:15:40,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:15:40,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354449619] [2024-11-10 06:15:40,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:15:40,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:15:40,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:15:40,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:15:40,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:15:40,964 INFO L87 Difference]: Start difference. First operand 297 states and 461 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 06:15:41,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:15:41,054 INFO L93 Difference]: Finished difference Result 504 states and 783 transitions. [2024-11-10 06:15:41,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 06:15:41,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 200 [2024-11-10 06:15:41,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:15:41,060 INFO L225 Difference]: With dead ends: 504 [2024-11-10 06:15:41,061 INFO L226 Difference]: Without dead ends: 305 [2024-11-10 06:15:41,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 06:15:41,063 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 114 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:15:41,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 415 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:15:41,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-10 06:15:41,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 297. [2024-11-10 06:15:41,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 200 states have (on average 1.36) internal successors, (272), 200 states have internal predecessors, (272), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 06:15:41,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 458 transitions. [2024-11-10 06:15:41,094 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 458 transitions. Word has length 200 [2024-11-10 06:15:41,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:15:41,094 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 458 transitions. [2024-11-10 06:15:41,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 06:15:41,095 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 458 transitions. [2024-11-10 06:15:41,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 06:15:41,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:15:41,098 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:41,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 06:15:41,098 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:15:41,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:15:41,098 INFO L85 PathProgramCache]: Analyzing trace with hash 468539673, now seen corresponding path program 1 times [2024-11-10 06:15:41,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:15:41,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373609917] [2024-11-10 06:15:41,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:15:41,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:15:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:15:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:15:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:15:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:15:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:15:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:15:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:15:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:15:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:15:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:15:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:15:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:15:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:15:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:15:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:15:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:15:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:15:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:15:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:15:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:15:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:15:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:15:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:15:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:15:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:15:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:15:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:15:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 06:15:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 06:15:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 06:15:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 06:15:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:15:46,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 06:15:46,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:15:46,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373609917] [2024-11-10 06:15:46,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373609917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:15:46,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:15:46,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 06:15:46,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153244400] [2024-11-10 06:15:46,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:15:46,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 06:15:46,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:15:46,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 06:15:46,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-10 06:15:46,955 INFO L87 Difference]: Start difference. First operand 297 states and 458 transitions. Second operand has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 06:15:51,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:15:51,624 INFO L93 Difference]: Finished difference Result 355 states and 522 transitions. [2024-11-10 06:15:51,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 06:15:51,625 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 200 [2024-11-10 06:15:51,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:15:51,628 INFO L225 Difference]: With dead ends: 355 [2024-11-10 06:15:51,628 INFO L226 Difference]: Without dead ends: 352 [2024-11-10 06:15:51,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2024-11-10 06:15:51,631 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 496 mSDsluCounter, 1117 mSDsCounter, 0 mSdLazyCounter, 887 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 1251 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-10 06:15:51,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 1251 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 887 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-10 06:15:51,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-10 06:15:51,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 297. [2024-11-10 06:15:51,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 200 states have (on average 1.36) internal successors, (272), 200 states have internal predecessors, (272), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 06:15:51,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 458 transitions. [2024-11-10 06:15:51,674 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 458 transitions. Word has length 200 [2024-11-10 06:15:51,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:15:51,676 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 458 transitions. [2024-11-10 06:15:51,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 06:15:51,677 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 458 transitions. [2024-11-10 06:15:51,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 06:15:51,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:15:51,681 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:51,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 06:15:51,681 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:15:51,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:15:51,682 INFO L85 PathProgramCache]: Analyzing trace with hash 777466683, now seen corresponding path program 1 times [2024-11-10 06:15:51,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:15:51,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407110795] [2024-11-10 06:15:51,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:15:51,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:15:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:16:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:16:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:16:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:16:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:16:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:16:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:16:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:16:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:16:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:16:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:16:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:16:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:16:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:16:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:16:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:16:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:16:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:16:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:16:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:16:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:16:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:16:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:16:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:16:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:16:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:16:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:16:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 06:16:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 06:16:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 06:16:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 06:16:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:00,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 06:16:00,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:16:00,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407110795] [2024-11-10 06:16:00,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407110795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:16:00,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:16:00,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 06:16:00,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133823846] [2024-11-10 06:16:00,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:16:00,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 06:16:00,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:16:00,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 06:16:00,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-10 06:16:00,649 INFO L87 Difference]: Start difference. First operand 297 states and 458 transitions. Second operand has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 06:16:07,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:16:07,392 INFO L93 Difference]: Finished difference Result 379 states and 549 transitions. [2024-11-10 06:16:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 06:16:07,393 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2024-11-10 06:16:07,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:16:07,396 INFO L225 Difference]: With dead ends: 379 [2024-11-10 06:16:07,396 INFO L226 Difference]: Without dead ends: 376 [2024-11-10 06:16:07,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=296, Invalid=894, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 06:16:07,397 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 373 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-10 06:16:07,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 1011 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-10 06:16:07,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-11-10 06:16:07,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 307. [2024-11-10 06:16:07,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 210 states have (on average 1.3571428571428572) internal successors, (285), 210 states have internal predecessors, (285), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 06:16:07,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 471 transitions. [2024-11-10 06:16:07,430 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 471 transitions. Word has length 200 [2024-11-10 06:16:07,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:16:07,430 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 471 transitions. [2024-11-10 06:16:07,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 06:16:07,431 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 471 transitions. [2024-11-10 06:16:07,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 06:16:07,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:16:07,433 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:07,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 06:16:07,433 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:16:07,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:16:07,434 INFO L85 PathProgramCache]: Analyzing trace with hash 580953178, now seen corresponding path program 1 times [2024-11-10 06:16:07,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:16:07,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783328787] [2024-11-10 06:16:07,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:16:07,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:16:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:16:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:16:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:16:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:16:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:16:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:16:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:16:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:16:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:16:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:16:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:16:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:16:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:16:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:16:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:16:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:16:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:16:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:16:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:16:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:16:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:16:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:16:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:16:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:16:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:16:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:16:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:16:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 06:16:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 06:16:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 06:16:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 06:16:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:12,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 06:16:12,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:16:12,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783328787] [2024-11-10 06:16:12,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783328787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:16:12,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:16:12,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 06:16:12,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914986727] [2024-11-10 06:16:12,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:16:12,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 06:16:12,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:16:12,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 06:16:12,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-10 06:16:12,893 INFO L87 Difference]: Start difference. First operand 307 states and 471 transitions. Second operand has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 06:16:17,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:16:17,147 INFO L93 Difference]: Finished difference Result 371 states and 541 transitions. [2024-11-10 06:16:17,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 06:16:17,149 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2024-11-10 06:16:17,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:16:17,152 INFO L225 Difference]: With dead ends: 371 [2024-11-10 06:16:17,152 INFO L226 Difference]: Without dead ends: 368 [2024-11-10 06:16:17,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=281, Invalid=711, Unknown=0, NotChecked=0, Total=992 [2024-11-10 06:16:17,154 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 283 mSDsluCounter, 872 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 06:16:17,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 1019 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 06:16:17,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-10 06:16:17,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 307. [2024-11-10 06:16:17,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 210 states have (on average 1.3571428571428572) internal successors, (285), 210 states have internal predecessors, (285), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 06:16:17,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 471 transitions. [2024-11-10 06:16:17,181 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 471 transitions. Word has length 200 [2024-11-10 06:16:17,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:16:17,183 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 471 transitions. [2024-11-10 06:16:17,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 06:16:17,183 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 471 transitions. [2024-11-10 06:16:17,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-10 06:16:17,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:16:17,186 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:17,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 06:16:17,187 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:16:17,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:16:17,187 INFO L85 PathProgramCache]: Analyzing trace with hash -392902573, now seen corresponding path program 1 times [2024-11-10 06:16:17,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:16:17,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008473054] [2024-11-10 06:16:17,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:16:17,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:16:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:16:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:16:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:16:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:16:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:16:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:16:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:16:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:16:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:16:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:16:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:16:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:16:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:16:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:16:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:16:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:16:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:16:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:16:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:23,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:16:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:24,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:16:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:24,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:16:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:24,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:16:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:24,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:16:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:24,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:16:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:24,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:16:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:24,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:16:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:24,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:16:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:24,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 06:16:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:24,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 06:16:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:24,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 06:16:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:24,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 06:16:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:24,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 06:16:24,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:16:24,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008473054] [2024-11-10 06:16:24,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008473054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:16:24,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:16:24,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-10 06:16:24,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545710181] [2024-11-10 06:16:24,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:16:24,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 06:16:24,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:16:24,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 06:16:24,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2024-11-10 06:16:24,737 INFO L87 Difference]: Start difference. First operand 307 states and 471 transitions. Second operand has 20 states, 20 states have (on average 2.45) internal successors, (49), 20 states have internal predecessors, (49), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-10 06:16:30,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:16:30,040 INFO L93 Difference]: Finished difference Result 381 states and 553 transitions. [2024-11-10 06:16:30,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 06:16:30,042 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.45) internal successors, (49), 20 states have internal predecessors, (49), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 201 [2024-11-10 06:16:30,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:16:30,045 INFO L225 Difference]: With dead ends: 381 [2024-11-10 06:16:30,045 INFO L226 Difference]: Without dead ends: 378 [2024-11-10 06:16:30,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=362, Invalid=1044, Unknown=0, NotChecked=0, Total=1406 [2024-11-10 06:16:30,047 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 369 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 1206 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-10 06:16:30,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 1206 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-10 06:16:30,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-10 06:16:30,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 311. [2024-11-10 06:16:30,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 214 states have (on average 1.355140186915888) internal successors, (290), 214 states have internal predecessors, (290), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 06:16:30,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 476 transitions. [2024-11-10 06:16:30,075 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 476 transitions. Word has length 201 [2024-11-10 06:16:30,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:16:30,076 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 476 transitions. [2024-11-10 06:16:30,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.45) internal successors, (49), 20 states have internal predecessors, (49), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-10 06:16:30,076 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 476 transitions. [2024-11-10 06:16:30,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-10 06:16:30,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:16:30,085 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:30,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 06:16:30,086 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:16:30,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:16:30,086 INFO L85 PathProgramCache]: Analyzing trace with hash -589416078, now seen corresponding path program 1 times [2024-11-10 06:16:30,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:16:30,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901591740] [2024-11-10 06:16:30,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:16:30,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:16:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat