./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-10.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 73a02241f62dd5f03e40960bce3ebc0277b0698412736895e26f9644edb13c8b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 14:29:48,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 14:29:48,367 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 14:29:48,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 14:29:48,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 14:29:48,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 14:29:48,409 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 14:29:48,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 14:29:48,410 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 14:29:48,412 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 14:29:48,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 14:29:48,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 14:29:48,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 14:29:48,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 14:29:48,414 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 14:29:48,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 14:29:48,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 14:29:48,415 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 14:29:48,416 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 14:29:48,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 14:29:48,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 14:29:48,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 14:29:48,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 14:29:48,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 14:29:48,419 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 14:29:48,420 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 14:29:48,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 14:29:48,420 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 14:29:48,420 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 14:29:48,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 14:29:48,423 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 14:29:48,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 14:29:48,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:29:48,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 14:29:48,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 14:29:48,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 14:29:48,425 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 14:29:48,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 14:29:48,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 14:29:48,428 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 14:29:48,428 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 14:29:48,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 14:29:48,429 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73a02241f62dd5f03e40960bce3ebc0277b0698412736895e26f9644edb13c8b [2024-11-16 14:29:48,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 14:29:48,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 14:29:48,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 14:29:48,758 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 14:29:48,759 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 14:29:48,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-10.i [2024-11-16 14:29:50,242 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 14:29:50,471 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 14:29:50,475 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-10.i [2024-11-16 14:29:50,489 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40a463dc5/3c143d926a0b4766a2731b47a7921402/FLAGde099c84c [2024-11-16 14:29:50,503 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40a463dc5/3c143d926a0b4766a2731b47a7921402 [2024-11-16 14:29:50,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 14:29:50,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 14:29:50,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 14:29:50,511 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 14:29:50,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 14:29:50,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:29:50" (1/1) ... [2024-11-16 14:29:50,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c023df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:29:50, skipping insertion in model container [2024-11-16 14:29:50,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:29:50" (1/1) ... [2024-11-16 14:29:50,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 14:29:50,715 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-10.i[919,932] [2024-11-16 14:29:50,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:29:50,820 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 14:29:50,831 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-10.i[919,932] [2024-11-16 14:29:50,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:29:50,898 INFO L204 MainTranslator]: Completed translation [2024-11-16 14:29:50,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:29:50 WrapperNode [2024-11-16 14:29:50,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 14:29:50,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 14:29:50,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 14:29:50,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 14:29:50,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:29:50" (1/1) ... [2024-11-16 14:29:50,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:29:50" (1/1) ... [2024-11-16 14:29:50,998 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 336 [2024-11-16 14:29:50,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 14:29:51,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 14:29:51,000 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 14:29:51,000 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 14:29:51,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:29:50" (1/1) ... [2024-11-16 14:29:51,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:29:50" (1/1) ... [2024-11-16 14:29:51,030 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:29:50" (1/1) ... [2024-11-16 14:29:51,070 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]. [2024-11-16 14:29:51,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:29:50" (1/1) ... [2024-11-16 14:29:51,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:29:50" (1/1) ... [2024-11-16 14:29:51,091 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:29:50" (1/1) ... [2024-11-16 14:29:51,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:29:50" (1/1) ... [2024-11-16 14:29:51,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:29:50" (1/1) ... [2024-11-16 14:29:51,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:29:50" (1/1) ... [2024-11-16 14:29:51,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 14:29:51,117 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 14:29:51,117 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 14:29:51,118 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 14:29:51,119 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:29:50" (1/1) ... [2024-11-16 14:29:51,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:29:51,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 14:29:51,156 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) [2024-11-16 14:29:51,164 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 [2024-11-16 14:29:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 14:29:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 14:29:51,216 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 14:29:51,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 14:29:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 14:29:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 14:29:51,336 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 14:29:51,341 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 14:29:52,006 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L223: havoc property_#t~bitwise38#1;havoc property_#t~ite40#1;havoc property_#t~bitwise39#1;havoc property_#t~short41#1; [2024-11-16 14:29:52,070 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-16 14:29:52,071 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 14:29:52,109 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 14:29:52,110 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 14:29:52,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:29:52 BoogieIcfgContainer [2024-11-16 14:29:52,111 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 14:29:52,114 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 14:29:52,115 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 14:29:52,118 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 14:29:52,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 02:29:50" (1/3) ... [2024-11-16 14:29:52,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ec0a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:29:52, skipping insertion in model container [2024-11-16 14:29:52,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:29:50" (2/3) ... [2024-11-16 14:29:52,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ec0a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:29:52, skipping insertion in model container [2024-11-16 14:29:52,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:29:52" (3/3) ... [2024-11-16 14:29:52,123 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-10.i [2024-11-16 14:29:52,142 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 14:29:52,143 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 14:29:52,220 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 14:29:52,229 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;@64e272ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 14:29:52,230 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 14:29:52,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 98 states have (on average 1.4081632653061225) internal successors, (138), 99 states have internal predecessors, (138), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-16 14:29:52,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-16 14:29:52,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:29:52,263 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:29:52,264 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:29:52,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:29:52,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1316586774, now seen corresponding path program 1 times [2024-11-16 14:29:52,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:29:52,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217998968] [2024-11-16 14:29:52,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:29:52,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:29:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:29:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:29:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:29:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:29:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:29:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:29:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:29:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:29:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:29:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:29:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:29:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:29:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:29:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:29:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:29:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:29:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:29:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:29:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:29:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:29:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:29:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 14:29:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 14:29:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 14:29:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 14:29:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 14:29:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 14:29:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 14:29:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-16 14:29:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 14:29:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 14:29:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 14:29:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 14:29:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 14:29:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 14:29:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 14:29:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 14:29:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:52,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-16 14:29:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:53,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-16 14:29:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:53,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-16 14:29:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:53,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-16 14:29:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:53,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-16 14:29:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:53,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-16 14:29:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:53,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-16 14:29:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:53,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-16 14:29:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:53,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-16 14:29:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:53,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-16 14:29:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:53,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:29:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:53,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-16 14:29:53,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:29:53,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217998968] [2024-11-16 14:29:53,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217998968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:29:53,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:29:53,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 14:29:53,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137623439] [2024-11-16 14:29:53,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:29:53,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 14:29:53,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:29:53,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 14:29:53,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:29:53,117 INFO L87 Difference]: Start difference. First operand has 149 states, 98 states have (on average 1.4081632653061225) internal successors, (138), 99 states have internal predecessors, (138), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-16 14:29:53,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:29:53,188 INFO L93 Difference]: Finished difference Result 290 states and 509 transitions. [2024-11-16 14:29:53,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 14:29:53,191 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 296 [2024-11-16 14:29:53,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:29:53,202 INFO L225 Difference]: With dead ends: 290 [2024-11-16 14:29:53,202 INFO L226 Difference]: Without dead ends: 144 [2024-11-16 14:29:53,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:29:53,217 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:29:53,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 218 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 14:29:53,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-16 14:29:53,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-16 14:29:53,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 94 states have (on average 1.3829787234042554) internal successors, (130), 94 states have internal predecessors, (130), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-16 14:29:53,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 226 transitions. [2024-11-16 14:29:53,276 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 226 transitions. Word has length 296 [2024-11-16 14:29:53,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:29:53,277 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 226 transitions. [2024-11-16 14:29:53,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-16 14:29:53,278 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 226 transitions. [2024-11-16 14:29:53,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-16 14:29:53,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:29:53,299 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:29:53,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 14:29:53,300 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:29:53,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:29:53,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1541323758, now seen corresponding path program 1 times [2024-11-16 14:29:53,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:29:53,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463359612] [2024-11-16 14:29:53,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:29:53,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:29:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:53,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:29:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:53,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:29:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:53,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:29:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:29:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:29:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:29:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:29:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:29:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:29:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:29:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:29:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:29:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:29:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:29:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:29:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:29:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:29:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:29:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:29:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:29:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:29:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 14:29:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 14:29:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 14:29:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 14:29:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 14:29:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 14:29:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 14:29:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-16 14:29:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 14:29:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 14:29:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 14:29:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 14:29:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 14:29:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 14:29:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 14:29:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 14:29:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-16 14:29:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-16 14:29:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-16 14:29:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-16 14:29:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-16 14:29:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-16 14:29:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-16 14:29:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-16 14:29:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-16 14:29:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-16 14:29:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:29:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:54,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-16 14:29:54,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:29:54,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463359612] [2024-11-16 14:29:54,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463359612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:29:54,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:29:54,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 14:29:54,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474163939] [2024-11-16 14:29:54,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:29:54,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 14:29:54,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:29:54,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 14:29:54,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 14:29:54,311 INFO L87 Difference]: Start difference. First operand 144 states and 226 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-16 14:29:54,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:29:54,716 INFO L93 Difference]: Finished difference Result 428 states and 674 transitions. [2024-11-16 14:29:54,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 14:29:54,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 296 [2024-11-16 14:29:54,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:29:54,725 INFO L225 Difference]: With dead ends: 428 [2024-11-16 14:29:54,725 INFO L226 Difference]: Without dead ends: 287 [2024-11-16 14:29:54,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 14:29:54,731 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 137 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 14:29:54,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 631 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 14:29:54,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-16 14:29:54,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 226. [2024-11-16 14:29:54,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 127 states have (on average 1.2834645669291338) internal successors, (163), 127 states have internal predecessors, (163), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-16 14:29:54,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 355 transitions. [2024-11-16 14:29:54,780 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 355 transitions. Word has length 296 [2024-11-16 14:29:54,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:29:54,782 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 355 transitions. [2024-11-16 14:29:54,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-16 14:29:54,782 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 355 transitions. [2024-11-16 14:29:54,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-16 14:29:54,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:29:54,787 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:29:54,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 14:29:54,788 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:29:54,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:29:54,788 INFO L85 PathProgramCache]: Analyzing trace with hash 711446625, now seen corresponding path program 1 times [2024-11-16 14:29:54,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:29:54,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693970704] [2024-11-16 14:29:54,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:29:54,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:29:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:31:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:31:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:31:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:31:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:31:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:31:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:31:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:31:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:31:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:31:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:31:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:31:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:31:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:31:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:31:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:31:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:31:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:31:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:31:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:31:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:31:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 14:31:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 14:31:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 14:31:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 14:31:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 14:31:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 14:31:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 14:31:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-16 14:31:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 14:31:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 14:31:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 14:31:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 14:31:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 14:31:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 14:31:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 14:31:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 14:31:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-16 14:31:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-16 14:31:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-16 14:31:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-16 14:31:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-16 14:31:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-16 14:31:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-16 14:31:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-16 14:31:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-16 14:31:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-16 14:31:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:00,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:31:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:31:01,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-16 14:31:01,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:31:01,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693970704] [2024-11-16 14:31:01,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693970704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:31:01,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:31:01,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-16 14:31:01,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914357771] [2024-11-16 14:31:01,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:31:01,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 14:31:01,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:31:01,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 14:31:01,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-11-16 14:31:01,009 INFO L87 Difference]: Start difference. First operand 226 states and 355 transitions. Second operand has 15 states, 15 states have (on average 4.0) internal successors, (60), 15 states have internal predecessors, (60), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-11-16 14:31:04,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:31:04,476 INFO L93 Difference]: Finished difference Result 688 states and 1052 transitions. [2024-11-16 14:31:04,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 14:31:04,477 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.0) internal successors, (60), 15 states have internal predecessors, (60), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 297 [2024-11-16 14:31:04,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:31:04,486 INFO L225 Difference]: With dead ends: 688 [2024-11-16 14:31:04,486 INFO L226 Difference]: Without dead ends: 547 [2024-11-16 14:31:04,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=181, Invalid=521, Unknown=0, NotChecked=0, Total=702 [2024-11-16 14:31:04,491 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 1057 mSDsluCounter, 1535 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1057 SdHoareTripleChecker+Valid, 1785 SdHoareTripleChecker+Invalid, 1654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:31:04,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1057 Valid, 1785 Invalid, 1654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-16 14:31:04,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2024-11-16 14:31:04,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 425. [2024-11-16 14:31:04,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 272 states have (on average 1.3455882352941178) internal successors, (366), 273 states have internal predecessors, (366), 144 states have call successors, (144), 8 states have call predecessors, (144), 8 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-16 14:31:04,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 654 transitions. [2024-11-16 14:31:04,587 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 654 transitions. Word has length 297 [2024-11-16 14:31:04,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:31:04,589 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 654 transitions. [2024-11-16 14:31:04,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.0) internal successors, (60), 15 states have internal predecessors, (60), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-11-16 14:31:04,590 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 654 transitions. [2024-11-16 14:31:04,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-16 14:31:04,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:31:04,595 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:31:04,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 14:31:04,595 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:31:04,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:31:04,596 INFO L85 PathProgramCache]: Analyzing trace with hash 418043618, now seen corresponding path program 1 times [2024-11-16 14:31:04,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:31:04,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947686009] [2024-11-16 14:31:04,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:31:04,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:31:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat