./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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_operatoramount_amount250_file-16.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 8e52341f27f00c0c2ceedafaab379711ebb86ba8e7b8a717254138078fb8d030 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 06:16:18,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 06:16:18,597 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 06:16:18,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 06:16:18,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 06:16:18,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 06:16:18,625 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 06:16:18,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 06:16:18,626 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 06:16:18,627 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 06:16:18,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 06:16:18,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 06:16:18,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 06:16:18,628 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 06:16:18,628 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 06:16:18,629 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 06:16:18,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 06:16:18,630 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 06:16:18,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 06:16:18,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 06:16:18,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 06:16:18,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 06:16:18,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 06:16:18,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 06:16:18,632 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 06:16:18,632 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 06:16:18,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 06:16:18,633 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 06:16:18,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 06:16:18,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 06:16:18,634 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 06:16:18,634 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 06:16:18,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:16:18,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 06:16:18,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 06:16:18,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 06:16:18,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 06:16:18,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 06:16:18,635 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 06:16:18,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 06:16:18,636 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 06:16:18,638 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 06:16:18,638 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e52341f27f00c0c2ceedafaab379711ebb86ba8e7b8a717254138078fb8d030 [2024-11-12 06:16:18,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 06:16:18,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 06:16:18,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 06:16:18,920 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 06:16:18,921 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 06:16:18,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-16.i [2024-11-12 06:16:20,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 06:16:20,490 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 06:16:20,491 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-16.i [2024-11-12 06:16:20,503 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5995e21/f2be744579ae46a8a28886178fc4f3dd/FLAG5bdce005b [2024-11-12 06:16:20,519 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5995e21/f2be744579ae46a8a28886178fc4f3dd [2024-11-12 06:16:20,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 06:16:20,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 06:16:20,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 06:16:20,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 06:16:20,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 06:16:20,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:16:20" (1/1) ... [2024-11-12 06:16:20,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1de250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:20, skipping insertion in model container [2024-11-12 06:16:20,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:16:20" (1/1) ... [2024-11-12 06:16:20,570 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 06:16:20,759 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_operatoramount_amount250_file-16.i[916,929] [2024-11-12 06:16:20,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:16:20,971 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 06:16:20,983 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_operatoramount_amount250_file-16.i[916,929] [2024-11-12 06:16:21,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:16:21,088 INFO L204 MainTranslator]: Completed translation [2024-11-12 06:16:21,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:21 WrapperNode [2024-11-12 06:16:21,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 06:16:21,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 06:16:21,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 06:16:21,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 06:16:21,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:21" (1/1) ... [2024-11-12 06:16:21,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:21" (1/1) ... [2024-11-12 06:16:21,181 INFO L138 Inliner]: procedures = 26, calls = 62, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 428 [2024-11-12 06:16:21,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 06:16:21,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 06:16:21,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 06:16:21,183 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 06:16:21,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:21" (1/1) ... [2024-11-12 06:16:21,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:21" (1/1) ... [2024-11-12 06:16:21,205 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:21" (1/1) ... [2024-11-12 06:16:21,240 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]. [2024-11-12 06:16:21,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:21" (1/1) ... [2024-11-12 06:16:21,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:21" (1/1) ... [2024-11-12 06:16:21,262 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:21" (1/1) ... [2024-11-12 06:16:21,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:21" (1/1) ... [2024-11-12 06:16:21,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:21" (1/1) ... [2024-11-12 06:16:21,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:21" (1/1) ... [2024-11-12 06:16:21,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 06:16:21,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 06:16:21,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 06:16:21,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 06:16:21,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:21" (1/1) ... [2024-11-12 06:16:21,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:16:21,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:16:21,342 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) [2024-11-12 06:16:21,356 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 [2024-11-12 06:16:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 06:16:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 06:16:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 06:16:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 06:16:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 06:16:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 06:16:21,532 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 06:16:21,535 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 06:16:22,251 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-12 06:16:22,252 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 06:16:22,275 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 06:16:22,275 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 06:16:22,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:16:22 BoogieIcfgContainer [2024-11-12 06:16:22,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 06:16:22,278 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 06:16:22,278 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 06:16:22,281 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 06:16:22,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:16:20" (1/3) ... [2024-11-12 06:16:22,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4235d672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:16:22, skipping insertion in model container [2024-11-12 06:16:22,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:21" (2/3) ... [2024-11-12 06:16:22,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4235d672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:16:22, skipping insertion in model container [2024-11-12 06:16:22,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:16:22" (3/3) ... [2024-11-12 06:16:22,288 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-16.i [2024-11-12 06:16:22,307 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 06:16:22,308 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 06:16:22,389 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 06:16:22,396 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;@59b6557, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 06:16:22,396 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 06:16:22,403 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 117 states have (on average 1.4957264957264957) internal successors, (175), 118 states have internal predecessors, (175), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-12 06:16:22,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-11-12 06:16:22,427 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:22,428 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:22,429 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:22,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:22,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1942093810, now seen corresponding path program 1 times [2024-11-12 06:16:22,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:22,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622885387] [2024-11-12 06:16:22,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:22,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:16:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:16:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 06:16:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:16:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:16:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:16:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:16:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 06:16:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 06:16:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 06:16:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 06:16:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 06:16:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-12 06:16:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-12 06:16:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 06:16:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 06:16:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 06:16:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 06:16:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 06:16:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 06:16:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 06:16:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 06:16:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 06:16:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 06:16:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 06:16:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 06:16:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 06:16:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 06:16:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 06:16:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 06:16:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 06:16:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-12 06:16:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 06:16:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-12 06:16:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 06:16:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 06:16:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 06:16:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 06:16:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 06:16:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 06:16:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 06:16:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-12 06:16:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 06:16:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-12 06:16:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-12 06:16:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-12 06:16:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-12 06:16:23,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:23,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622885387] [2024-11-12 06:16:23,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622885387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:23,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:23,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 06:16:23,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171496987] [2024-11-12 06:16:23,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:23,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 06:16:23,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:23,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 06:16:23,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:16:23,205 INFO L87 Difference]: Start difference. First operand has 169 states, 117 states have (on average 1.4957264957264957) internal successors, (175), 118 states have internal predecessors, (175), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-12 06:16:23,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:23,259 INFO L93 Difference]: Finished difference Result 331 states and 589 transitions. [2024-11-12 06:16:23,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 06:16:23,262 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) Word has length 321 [2024-11-12 06:16:23,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:23,271 INFO L225 Difference]: With dead ends: 331 [2024-11-12 06:16:23,274 INFO L226 Difference]: Without dead ends: 165 [2024-11-12 06:16:23,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:16:23,282 INFO L435 NwaCegarLoop]: 265 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:23,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 06:16:23,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-12 06:16:23,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-11-12 06:16:23,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 114 states have (on average 1.4649122807017543) internal successors, (167), 114 states have internal predecessors, (167), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-12 06:16:23,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 265 transitions. [2024-11-12 06:16:23,336 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 265 transitions. Word has length 321 [2024-11-12 06:16:23,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:23,337 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 265 transitions. [2024-11-12 06:16:23,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-12 06:16:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 265 transitions. [2024-11-12 06:16:23,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-11-12 06:16:23,349 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:23,349 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:23,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 06:16:23,350 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:23,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:23,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1526124084, now seen corresponding path program 1 times [2024-11-12 06:16:23,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:23,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749554447] [2024-11-12 06:16:23,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:23,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:16:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:16:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 06:16:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:16:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:16:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:16:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:16:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 06:16:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 06:16:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 06:16:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 06:16:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 06:16:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-12 06:16:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-12 06:16:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 06:16:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 06:16:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 06:16:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 06:16:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 06:16:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 06:16:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 06:16:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 06:16:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 06:16:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 06:16:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 06:16:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 06:16:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 06:16:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 06:16:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 06:16:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 06:16:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 06:16:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-12 06:16:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 06:16:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-12 06:16:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 06:16:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 06:16:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 06:16:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 06:16:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 06:16:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 06:16:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 06:16:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-12 06:16:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 06:16:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-12 06:16:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-12 06:16:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-12 06:16:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:23,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-12 06:16:23,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:23,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749554447] [2024-11-12 06:16:23,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749554447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:23,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:23,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 06:16:23,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409985419] [2024-11-12 06:16:23,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:23,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 06:16:23,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:23,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 06:16:23,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:16:23,907 INFO L87 Difference]: Start difference. First operand 165 states and 265 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-12 06:16:24,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:24,004 INFO L93 Difference]: Finished difference Result 476 states and 766 transitions. [2024-11-12 06:16:24,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 06:16:24,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 321 [2024-11-12 06:16:24,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:24,012 INFO L225 Difference]: With dead ends: 476 [2024-11-12 06:16:24,012 INFO L226 Difference]: Without dead ends: 314 [2024-11-12 06:16:24,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:16:24,018 INFO L435 NwaCegarLoop]: 457 mSDtfsCounter, 222 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:24,018 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 707 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 06:16:24,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-12 06:16:24,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 189. [2024-11-12 06:16:24,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 138 states have (on average 1.5) internal successors, (207), 138 states have internal predecessors, (207), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-12 06:16:24,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 305 transitions. [2024-11-12 06:16:24,051 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 305 transitions. Word has length 321 [2024-11-12 06:16:24,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:24,053 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 305 transitions. [2024-11-12 06:16:24,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-12 06:16:24,054 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 305 transitions. [2024-11-12 06:16:24,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-11-12 06:16:24,058 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:24,058 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:24,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 06:16:24,059 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:24,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:24,060 INFO L85 PathProgramCache]: Analyzing trace with hash -824524210, now seen corresponding path program 1 times [2024-11-12 06:16:24,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:24,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139841123] [2024-11-12 06:16:24,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:24,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:16:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:16:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 06:16:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:16:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:16:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:16:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:16:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 06:16:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 06:16:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 06:16:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 06:16:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 06:16:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-12 06:16:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-12 06:16:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 06:16:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 06:16:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 06:16:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 06:16:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 06:16:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 06:16:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 06:16:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 06:16:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 06:16:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 06:16:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 06:16:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 06:16:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 06:16:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 06:16:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 06:16:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 06:16:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 06:16:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-12 06:16:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 06:16:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-12 06:16:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 06:16:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 06:16:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 06:16:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 06:16:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 06:16:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 06:16:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 06:16:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-12 06:16:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 06:16:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-12 06:16:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-12 06:16:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-12 06:16:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:24,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-12 06:16:24,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:24,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139841123] [2024-11-12 06:16:24,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139841123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:24,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:24,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:16:24,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208849205] [2024-11-12 06:16:24,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:24,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:16:24,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:24,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:16:24,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:16:24,859 INFO L87 Difference]: Start difference. First operand 189 states and 305 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-12 06:16:25,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:25,145 INFO L93 Difference]: Finished difference Result 661 states and 1074 transitions. [2024-11-12 06:16:25,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:16:25,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 321 [2024-11-12 06:16:25,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:25,152 INFO L225 Difference]: With dead ends: 661 [2024-11-12 06:16:25,153 INFO L226 Difference]: Without dead ends: 475 [2024-11-12 06:16:25,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 06:16:25,155 INFO L435 NwaCegarLoop]: 375 mSDtfsCounter, 289 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:25,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 883 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 06:16:25,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-12 06:16:25,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 381. [2024-11-12 06:16:25,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 280 states have (on average 1.5071428571428571) internal successors, (422), 280 states have internal predecessors, (422), 98 states have call successors, (98), 2 states have call predecessors, (98), 2 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-12 06:16:25,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 618 transitions. [2024-11-12 06:16:25,213 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 618 transitions. Word has length 321 [2024-11-12 06:16:25,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:25,214 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 618 transitions. [2024-11-12 06:16:25,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-12 06:16:25,215 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 618 transitions. [2024-11-12 06:16:25,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-12 06:16:25,218 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:25,218 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:25,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 06:16:25,218 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:25,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:25,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1879443097, now seen corresponding path program 1 times [2024-11-12 06:16:25,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:25,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708164861] [2024-11-12 06:16:25,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:25,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:16:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:16:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 06:16:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:16:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:16:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:16:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:16:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 06:16:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 06:16:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 06:16:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 06:16:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 06:16:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-12 06:16:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-12 06:16:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 06:16:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 06:16:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 06:16:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 06:16:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 06:16:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 06:16:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 06:16:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 06:16:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 06:16:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 06:16:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 06:16:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 06:16:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 06:16:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 06:16:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 06:16:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 06:16:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 06:16:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-12 06:16:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 06:16:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-12 06:16:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 06:16:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 06:16:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:26,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 06:16:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:26,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 06:16:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:26,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 06:16:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:26,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 06:16:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:26,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 06:16:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:26,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-12 06:16:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:26,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 06:16:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:26,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-12 06:16:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:26,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-12 06:16:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:26,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-12 06:16:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:26,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-12 06:16:26,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:26,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708164861] [2024-11-12 06:16:26,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708164861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:26,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:26,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 06:16:26,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658428523] [2024-11-12 06:16:26,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:26,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 06:16:26,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:26,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 06:16:26,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:16:26,145 INFO L87 Difference]: Start difference. First operand 381 states and 618 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-12 06:16:26,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:26,233 INFO L93 Difference]: Finished difference Result 1137 states and 1848 transitions. [2024-11-12 06:16:26,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 06:16:26,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 322 [2024-11-12 06:16:26,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:26,241 INFO L225 Difference]: With dead ends: 1137 [2024-11-12 06:16:26,241 INFO L226 Difference]: Without dead ends: 759 [2024-11-12 06:16:26,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:16:26,246 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 158 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:26,249 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 517 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 06:16:26,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2024-11-12 06:16:26,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 757. [2024-11-12 06:16:26,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 556 states have (on average 1.5035971223021583) internal successors, (836), 556 states have internal predecessors, (836), 196 states have call successors, (196), 4 states have call predecessors, (196), 4 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-12 06:16:26,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1228 transitions. [2024-11-12 06:16:26,338 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1228 transitions. Word has length 322 [2024-11-12 06:16:26,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:26,339 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 1228 transitions. [2024-11-12 06:16:26,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-12 06:16:26,340 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1228 transitions. [2024-11-12 06:16:26,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-12 06:16:26,346 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:26,346 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:26,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 06:16:26,346 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:26,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:26,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1456741271, now seen corresponding path program 1 times [2024-11-12 06:16:26,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:26,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547138940] [2024-11-12 06:16:26,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:26,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:16:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:16:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 06:16:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:16:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:16:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:16:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:16:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 06:16:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 06:16:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 06:16:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 06:16:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 06:16:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-12 06:16:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-12 06:16:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 06:16:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 06:16:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 06:16:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 06:16:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 06:16:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 06:16:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 06:16:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 06:16:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 06:16:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 06:16:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 06:16:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 06:16:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 06:16:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 06:16:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 06:16:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 06:16:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 06:16:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-12 06:16:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 06:16:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-12 06:16:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 06:16:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 06:16:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 06:16:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 06:16:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 06:16:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 06:16:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 06:16:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-12 06:16:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 06:16:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-12 06:16:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-12 06:16:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-12 06:16:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-12 06:16:27,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:27,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547138940] [2024-11-12 06:16:27,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547138940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:27,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:27,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 06:16:27,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023510245] [2024-11-12 06:16:27,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:27,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 06:16:27,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:27,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 06:16:27,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 06:16:27,697 INFO L87 Difference]: Start difference. First operand 757 states and 1228 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-12 06:16:28,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:28,163 INFO L93 Difference]: Finished difference Result 1938 states and 3145 transitions. [2024-11-12 06:16:28,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 06:16:28,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 322 [2024-11-12 06:16:28,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:28,174 INFO L225 Difference]: With dead ends: 1938 [2024-11-12 06:16:28,175 INFO L226 Difference]: Without dead ends: 1184 [2024-11-12 06:16:28,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 06:16:28,179 INFO L435 NwaCegarLoop]: 246 mSDtfsCounter, 189 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:28,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 850 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 06:16:28,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2024-11-12 06:16:28,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 1154. [2024-11-12 06:16:28,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 903 states have (on average 1.539313399778516) internal successors, (1390), 903 states have internal predecessors, (1390), 245 states have call successors, (245), 5 states have call predecessors, (245), 5 states have return successors, (245), 245 states have call predecessors, (245), 245 states have call successors, (245) [2024-11-12 06:16:28,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1880 transitions. [2024-11-12 06:16:28,334 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1880 transitions. Word has length 322 [2024-11-12 06:16:28,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:28,335 INFO L471 AbstractCegarLoop]: Abstraction has 1154 states and 1880 transitions. [2024-11-12 06:16:28,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-12 06:16:28,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1880 transitions. [2024-11-12 06:16:28,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-12 06:16:28,340 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:28,340 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:28,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 06:16:28,340 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:28,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:28,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1851108057, now seen corresponding path program 1 times [2024-11-12 06:16:28,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:28,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057846248] [2024-11-12 06:16:28,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:28,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:16:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:16:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 06:16:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:16:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:16:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:16:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:16:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 06:16:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 06:16:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 06:16:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 06:16:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 06:16:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-12 06:16:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-12 06:16:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 06:16:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 06:16:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 06:16:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 06:16:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 06:16:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 06:16:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 06:16:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 06:16:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 06:16:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 06:16:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 06:16:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 06:16:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 06:16:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 06:16:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 06:16:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 06:16:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 06:16:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-12 06:16:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 06:16:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-12 06:16:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 06:16:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 06:16:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 06:16:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 06:16:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 06:16:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 06:16:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 06:16:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-12 06:16:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 06:16:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-12 06:16:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-12 06:16:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-12 06:16:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:29,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-12 06:16:29,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:29,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057846248] [2024-11-12 06:16:29,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057846248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:29,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:29,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:16:29,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971023922] [2024-11-12 06:16:29,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:29,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:16:29,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:29,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:16:29,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:16:29,436 INFO L87 Difference]: Start difference. First operand 1154 states and 1880 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-12 06:16:29,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:29,789 INFO L93 Difference]: Finished difference Result 3638 states and 5933 transitions. [2024-11-12 06:16:29,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:16:29,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 322 [2024-11-12 06:16:29,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:29,801 INFO L225 Difference]: With dead ends: 3638 [2024-11-12 06:16:29,802 INFO L226 Difference]: Without dead ends: 2580 [2024-11-12 06:16:29,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 06:16:29,808 INFO L435 NwaCegarLoop]: 305 mSDtfsCounter, 353 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:29,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 811 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 06:16:29,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2580 states. [2024-11-12 06:16:30,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2580 to 2204. [2024-11-12 06:16:30,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2204 states, 1753 states have (on average 1.5390758699372504) internal successors, (2698), 1753 states have internal predecessors, (2698), 441 states have call successors, (441), 9 states have call predecessors, (441), 9 states have return successors, (441), 441 states have call predecessors, (441), 441 states have call successors, (441) [2024-11-12 06:16:30,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 2204 states and 3580 transitions. [2024-11-12 06:16:30,039 INFO L78 Accepts]: Start accepts. Automaton has 2204 states and 3580 transitions. Word has length 322 [2024-11-12 06:16:30,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:30,040 INFO L471 AbstractCegarLoop]: Abstraction has 2204 states and 3580 transitions. [2024-11-12 06:16:30,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-12 06:16:30,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2204 states and 3580 transitions. [2024-11-12 06:16:30,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-12 06:16:30,044 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:30,044 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:30,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 06:16:30,044 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:30,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:30,045 INFO L85 PathProgramCache]: Analyzing trace with hash 223616844, now seen corresponding path program 1 times [2024-11-12 06:16:30,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:30,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246654297] [2024-11-12 06:16:30,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:30,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:16:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:16:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 06:16:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:16:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:16:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:16:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:16:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 06:16:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 06:16:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 06:16:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 06:16:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 06:16:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-12 06:16:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-12 06:16:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 06:16:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 06:16:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 06:16:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 06:16:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 06:16:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 06:16:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 06:16:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 06:16:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 06:16:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 06:16:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 06:16:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 06:16:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 06:16:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 06:16:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 06:16:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 06:16:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 06:16:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-12 06:16:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 06:16:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-12 06:16:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 06:16:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 06:16:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 06:16:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 06:16:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 06:16:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 06:16:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 06:16:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-12 06:16:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 06:16:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-12 06:16:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-12 06:16:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-12 06:16:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:31,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-11-12 06:16:31,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:31,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246654297] [2024-11-12 06:16:31,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246654297] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 06:16:31,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412428902] [2024-11-12 06:16:31,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:31,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:16:31,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:16:31,998 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 06:16:31,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 06:16:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:32,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 06:16:32,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:16:32,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 1068 proven. 126 refuted. 0 times theorem prover too weak. 3510 trivial. 0 not checked. [2024-11-12 06:16:32,867 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:16:33,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-11-12 06:16:33,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412428902] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 06:16:33,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 06:16:33,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 14 [2024-11-12 06:16:33,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899760137] [2024-11-12 06:16:33,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 06:16:33,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 06:16:33,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:33,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 06:16:33,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-12 06:16:33,379 INFO L87 Difference]: Start difference. First operand 2204 states and 3580 transitions. Second operand has 14 states, 14 states have (on average 10.785714285714286) internal successors, (151), 14 states have internal predecessors, (151), 5 states have call successors, (140), 2 states have call predecessors, (140), 4 states have return successors, (141), 5 states have call predecessors, (141), 5 states have call successors, (141) [2024-11-12 06:16:34,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:34,843 INFO L93 Difference]: Finished difference Result 6853 states and 11072 transitions. [2024-11-12 06:16:34,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 06:16:34,844 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.785714285714286) internal successors, (151), 14 states have internal predecessors, (151), 5 states have call successors, (140), 2 states have call predecessors, (140), 4 states have return successors, (141), 5 states have call predecessors, (141), 5 states have call successors, (141) Word has length 323 [2024-11-12 06:16:34,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:34,868 INFO L225 Difference]: With dead ends: 6853 [2024-11-12 06:16:34,869 INFO L226 Difference]: Without dead ends: 5043 [2024-11-12 06:16:34,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 738 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=436, Unknown=0, NotChecked=0, Total=600 [2024-11-12 06:16:34,877 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 988 mSDsluCounter, 1117 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 1361 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:34,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [994 Valid, 1361 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 987 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 06:16:34,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5043 states. [2024-11-12 06:16:35,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5043 to 3809. [2024-11-12 06:16:35,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3809 states, 2941 states have (on average 1.5062903774226453) internal successors, (4430), 2941 states have internal predecessors, (4430), 833 states have call successors, (833), 34 states have call predecessors, (833), 34 states have return successors, (833), 833 states have call predecessors, (833), 833 states have call successors, (833) [2024-11-12 06:16:35,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3809 states to 3809 states and 6096 transitions. [2024-11-12 06:16:35,312 INFO L78 Accepts]: Start accepts. Automaton has 3809 states and 6096 transitions. Word has length 323 [2024-11-12 06:16:35,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:35,314 INFO L471 AbstractCegarLoop]: Abstraction has 3809 states and 6096 transitions. [2024-11-12 06:16:35,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.785714285714286) internal successors, (151), 14 states have internal predecessors, (151), 5 states have call successors, (140), 2 states have call predecessors, (140), 4 states have return successors, (141), 5 states have call predecessors, (141), 5 states have call successors, (141) [2024-11-12 06:16:35,315 INFO L276 IsEmpty]: Start isEmpty. Operand 3809 states and 6096 transitions. [2024-11-12 06:16:35,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-12 06:16:35,319 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:35,320 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:35,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 06:16:35,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:16:35,525 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:35,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:35,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1825770998, now seen corresponding path program 1 times [2024-11-12 06:16:35,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:35,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846447432] [2024-11-12 06:16:35,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:35,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:16:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:16:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 06:16:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:16:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:16:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:16:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:16:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 06:16:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 06:16:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 06:16:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 06:16:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 06:16:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-12 06:16:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-12 06:16:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 06:16:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 06:16:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 06:16:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 06:16:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 06:16:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 06:16:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 06:16:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 06:16:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 06:16:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 06:16:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 06:16:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 06:16:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 06:16:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 06:16:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 06:16:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 06:16:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 06:16:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-12 06:16:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 06:16:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-12 06:16:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 06:16:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 06:16:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 06:16:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 06:16:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 06:16:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 06:16:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 06:16:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-12 06:16:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 06:16:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-12 06:16:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:47,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-12 06:16:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:48,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-12 06:16:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 102 proven. 180 refuted. 0 times theorem prover too weak. 4422 trivial. 0 not checked. [2024-11-12 06:16:48,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:48,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846447432] [2024-11-12 06:16:48,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846447432] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 06:16:48,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425297184] [2024-11-12 06:16:48,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:48,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:16:48,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:16:48,024 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 06:16:48,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 06:16:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:48,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-12 06:16:48,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:16:54,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 3316 proven. 378 refuted. 0 times theorem prover too weak. 1010 trivial. 0 not checked. [2024-11-12 06:16:54,637 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:17:03,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 321 proven. 369 refuted. 0 times theorem prover too weak. 4014 trivial. 0 not checked. [2024-11-12 06:17:03,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425297184] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 06:17:03,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 06:17:03,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 27, 28] total 68 [2024-11-12 06:17:03,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453508329] [2024-11-12 06:17:03,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 06:17:03,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-11-12 06:17:03,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:17:03,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-11-12 06:17:03,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=749, Invalid=3807, Unknown=0, NotChecked=0, Total=4556 [2024-11-12 06:17:03,234 INFO L87 Difference]: Start difference. First operand 3809 states and 6096 transitions. Second operand has 68 states, 67 states have (on average 3.5970149253731343) internal successors, (241), 65 states have internal predecessors, (241), 20 states have call successors, (147), 8 states have call predecessors, (147), 18 states have return successors, (147), 20 states have call predecessors, (147), 20 states have call successors, (147)